Airline codes
DL · DAL
IATA · ICAO · callsign “DELTA”
Delta’s IATA code is DL, its ICAO code is DAL, and the radio callsign is DELTA. Type DL and your flight number into a status search to follow a Delta flight.
{{item.title}}
Delta Air Lines (DL) Guide
No reviews yet
Airline
Planning a trip on Delta? Here are its Atlanta routes, fleet, cabins, luggage rules and check-in steps, with ideas for a lower fare. Ask a question
In short
Delta Air Lines is a major US airline headquartered in Atlanta, with Hartsfield–Jackson as its largest hub among nine in the US. It flies to 300+ destinations across the USA, Canada, Latin America, Europe, Asia, Africa and Australia. A SkyTeam founding member, Delta runs SkyMiles. Cabins step up from Main Cabin and Comfort+ to First Class, Premium Select and Delta One.
Delta Air Lines is a major US airline headquartered in Atlanta, with its largest hub at Hartsfield–Jackson Atlanta International. With Delta Connection regional partners it operates over 5,400 daily flights to more than 300 destinations, and it is a founding member of SkyTeam.
Please note: bookingMentor is an independent travel service and is not affiliated with Delta Air Lines. Routes, schedules, fleet and baggage rules change, so always confirm the details of your booking with the airline.
What to expect
Delta Air Lines is a major US airline headquartered in Atlanta, Georgia, and a founding member of the SkyTeam alliance. It suits travellers flying within the United States and those connecting from US cities to Europe, Latin America, Asia, Africa and the Middle East through one of its nine hubs. It traces its start to 2 March 1925, when it was founded as the crop-dusting company Huff Daland Dusters, and it began passenger flights on 17 June 1929.
Nine hubs, Atlanta first
Atlanta is the largest hub by passengers and departures. The others are Boston, Detroit, Los Angeles, Minneapolis/St. Paul, New York JFK, New York LaGuardia, Salt Lake City and Seattle/Tacoma, with focus cities at Austin and Raleigh/Durham. Delta serves about 325 destinations in more than 50 countries.
Detroit and Minneapolis/St. Paul joined Delta's network through the Northwest Airlines merger.
Endeavor, Republic and SkyWest regional flights
Shorter routes are flown under the Delta Connection brand by Endeavor Air, which Delta owns, and by Republic Airways and SkyWest Airlines. Your booking shows the operating carrier under each flight number.
Partners and stakes
Delta holds shares in several partners: 49 percent of Virgin Atlantic, 20 percent of Aeroméxico, 10 percent of LATAM, 12.7 percent of WestJet and smaller stakes in Air France-KLM and China Eastern. These ties give one-ticket connections across many markets.
The Northwest merger
Delta announced the purchase of Northwest Airlines on 14 April 2008, completed it on 29 October 2008 and finished integration on 31 January 2010. Ed Bastian is chief executive, and the airline employed about 103,000 people in 2025, when revenue reached 63.4 billion US dollars.
Basic Economy rules and check-in
Read the Basic Economy rules before you buy. Check in through the Fly Delta app or delta.com, and confirm your checked bag allowance on Delta's baggage page for your route and fare.
Fact-checked by the bookingMentor Travel Desk
Reviewed · Updated when rules or prices change
Checked against trusted sources:
Delta official website
See the source
–/5
No reviews yet
Travelled through Delta Air Lines? Your review helps other travellers.
Good to know
- Founded1925
- Other gatewaysBOS / DTW / LAX / MSP / JFK / LGA / SLC / SEA
Everything you should know
At a glance
Delta Air Lines (IATA: DL, ICAO: DAL) is a major US airline headquartered in Atlanta. A SkyTeam founding member, it flies a fleet of about 1,000 mainline aircraft, including Airbus A220, A321, A330, A350 and Boeing 717, 737, 757 and 767, from nine US hubs to over 300 destinations worldwide.
| Headquarters | Atlanta, Georgia, United States |
|---|---|
| Fleet types | Airbus A220, A319–A321neo, A330, A350, Boeing 717, 737, 757 and 767 |
| Frequent flyer | SkyMiles |
| Official website | delta.com |
Flight routes
Destinations and routes
Delta serves more than 300 destinations. Below are its hubs and some of the main cities it flies to; search your route to see current flights.
Search flights
US hubs
Atlanta (ATL) departures10 destinations
FromTo ATL BOS AtlantaBoston Available airlines1 airline- Delta Air Lines
FromTo ATL DTW AtlantaDetroit Available airlines1 airline- Delta Air Lines
FromTo ATL LAX AtlantaLos Angeles Available airlines1 airline- Delta Air Lines
FromTo ATL MSP AtlantaMinneapolis/St. Paul Available airlines1 airline- Delta Air Lines
FromTo ATL JFK AtlantaNew York JFK Available airlines1 airline- Delta Air Lines
FromTo ATL LGA AtlantaNew York LaGuardia Available airlines1 airline- Delta Air Lines
FromTo ATL SLC AtlantaSalt Lake City Available airlines1 airline- Delta Air Lines
FromTo ATL SEA AtlantaSeattle Available airlines1 airline- Delta Air Lines
FromTo ATL MCO AtlantaOrlando Available airlines1 airline- Delta Air Lines
FromTo ATL BWI AtlantaBaltimore Washington Airport (BWI) Available airlines1 airline- Delta Air Lines
Europe & Africa
Atlanta (ATL) departures7 destinations
FromTo ATL LHR AtlantaLondon Available airlines1 airline- Delta Air Lines
FromTo ATL CDG AtlantaParis Available airlines1 airline- Delta Air Lines
FromTo ATL AMS AtlantaAmsterdam Available airlines1 airline- Delta Air Lines
FromTo ATL FCO AtlantaRome Available airlines1 airline- Delta Air Lines
FromTo ATL JNB AtlantaJohannesburg Available airlines1 airline- Delta Air Lines
FromTo ATL ZRH AtlantaZurich Available airlines1 airline- Delta Air Lines
FromTo ATL MUC AtlantaMunich Airport (MUC) Available airlines1 airline- Delta Air Lines
Asia & Pacific
Atlanta (ATL) departures6 destinations
FromTo ATL HND AtlantaTokyo Haneda Available airlines1 airline- Delta Air Lines
FromTo ATL ICN AtlantaSeoul Available airlines1 airline- Delta Air Lines
FromTo ATL SYD AtlantaSydney Available airlines1 airline- Delta Air Lines
FromTo ATL KIX AtlantaKansai International Airport (KIX) Available airlines1 airline- Delta Air Lines
FromTo ATL HKG AtlantaHong Kong Available airlines1 airline- Delta Air Lines
FromTo ATL NRT AtlantaTokyo Narita Available airlines1 airline- Delta Air Lines
Latin America
Atlanta (ATL) departures1 destination
FromTo ATL GRU AtlantaSão Paulo Available airlines1 airline- Delta Air Lines
Fleet and aircraft
Delta has 1,005 mainline aircraft, the third-largest commercial fleet in the world, with an average age of 14.9 years. It has the largest passenger fleets of the Airbus A220, Boeing 717, 757, 767 and Airbus A330 of any airline. The mainline fleet also includes the Airbus A321 and A350 and Boeing 737s. Airbus became the larger share after the Northwest merger.
-
Airbus A220-100 Narrow-body Smaller-capacity domestic routes
-
Airbus A220-300 Narrow-body Smaller-capacity domestic routes
-
Airbus A319 Narrow-body Domestic and Caribbean routes
-
Airbus A320 Narrow-body Domestic and Caribbean routes
-
Airbus A321 Narrow-body Domestic and Caribbean routes
-
Airbus A321neo Narrow-body · 99 in service Domestic and transcontinental routes
-
Boeing 717-200 Narrow-body · 80 in service Short domestic routes
-
Boeing 737-800 Narrow-body Busy domestic trunk routes
-
Boeing 737-900ER Narrow-body Busy domestic trunk routes
-
Boeing 757-200 Narrow-body Domestic and some transatlantic routes
-
Boeing 757-300 Narrow-body Domestic and some transatlantic routes
-
Boeing 767-300ER Wide-body Transatlantic and South America routes
-
Boeing 767-400ER Wide-body Transatlantic and South America routes
-
Airbus A330-200 Wide-body Long-haul; the largest wide-body group
-
Airbus A330-300 Wide-body Long-haul; the largest wide-body group
-
Airbus A330-900 Wide-body Long-haul; the largest wide-body group
-
Airbus A350-900 Wide-body · 41 in service Long-haul routes that need the most seats
Cabin classes
Delta sells four cabins, Delta One, Delta Premium Select, First Class and Comfort+ and Main Cabin. The aircraft and route decide which Delta cabins you can book.
Delta One Long-haul and JFK transcontinental
Lie-flat business
Delta’s premium cabin on long-haul flights and on New York JFK to Los Angeles and San Francisco.
Lie-flat seat
Delta Premium Select Long-haul
Premium economy
A separate premium economy cabin on wide-bodies.
Wider seatMore recline
First Class Domestic
Domestic first class
The front cabin on domestic and short international flights.
Larger seatPriority boarding
Comfort+ and Main Cabin All flights
Economy
Economy, with Comfort+ rows offering more legroom and Basic Economy as the cheapest fare.
Extra legroom in Comfort+
SkyMiles
Delta’s loyalty programme. Join SkyMiles online before you fly so the trip counts.
SkyMiles members earn miles on Delta and SkyTeam flights and with partners, and redeem them for award flights and upgrades. Medallion status adds upgrades and priority services.
The loyalty programme is SkyMiles, and miles do not expire. Members can use free Wi-Fi on most domestic flights. Delta Sky Club lounges are open to members who pay with money or miles, top-tier Medallion members and holders of certain American Express cards. Single-day passes ended in January 2019.
Baggage allowance
Delta does not give every passenger the same allowance: the route, the cabin and the fare you buy each change it. Your DL e-ticket shows what you have.
Checked baggage
On your e-ticket
Cabin baggage
Set by your fare
Extra bags
Add online before you fly
Power banks
Cabin bag only
Expect the allowance on Delta to change with distance and cabin: higher cabins include more than basic economy on the same flight. Look up your route on the baggage page of delta.com.
Pro tip: weigh your bags at home before leaving for the airport; extra weight on Delta usually costs more at the counter than when you add it online.
Travel day
Online Check-in
Getting through check-in for Delta is simpler in this order. Start online and finish at bag drop.
-
Step 1
Check in online
Online check-in for DL flights is on the official Delta website. You need the DL booking reference or e-ticket number and the passenger’s surname.
Booking ref + surname -
Step 2
Prepare your documents
Before leaving for the airport, check that your passport is valid and that you hold any visa or entry document needed at the other end of your Delta flight. Domestic DL passengers should bring a photo ID the airline accepts.
Passport · visa · ID -
Step 3
Arrive early
Delta closes its check-in counters before departure, and passengers who miss the cut-off can be refused boarding. Leave room for bag drop and security at ATL.
Check your deadline -
Step 4
Drop your bags
At the airport, take your bags to the Delta bag-drop point. Collect a printed DL boarding pass there if you have not saved one to your phone.
Delta counter
Departing from Atlanta?
Terminals, lounges, food and transport at Hartsfield–Jackson Atlanta International, all in one guide.
Save money
Cheap tickets
How to find a cheaper Delta fare without giving up the bag or seat you need.
-
01
Be flexible with your Delta dates
Compare a full week of Delta departures; midweek days are often priced below Fridays and Sundays.
Midweek flights -
02
Avoid peak holiday dates
Fares rise around Thanksgiving, Christmas, spring break and the summer holidays. Book early for those dates.
School holidays · festivals -
03
Compare Delta fare types
Look at the next Delta fare up: if it bundles a hold bag or easier changes, it may beat the basic fare plus extras.
Baggage & changes -
04
Book busy Delta routes early
Popular Delta flights fill the cheaper fares first, so give yourself several weeks of lead time on busy routes.
Popular routes -
05
Join SkyMiles
Membership of SkyMiles lets your Delta trips count towards rewards, and members hear about offers first.
Before you fly -
Ready to compare fares?
Search Delta alongside every other airline on your route, with flexible dates.
Search Delta flights
Reviews and questions
Contribute:
No reviews yetFlown Delta Air Lines recently? Be the first to share your experience with other travellers.
Recently viewed airlines
Others of this kind you opened on this device, so you can get back to them quickly.
Visitors are asking
Delta flights carry the IATA prefix DL. In aviation records the airline appears as DAL, and pilots use the radio callsign DELTA.
Its main hub is Hartsfield–Jackson Atlanta International (ATL) in Atlanta, and its head office is in Atlanta, Georgia, United States.
Yes, SkyTeam, which it helped to found. A single booking can therefore combine Delta with partners such as China Airlines or Vietnam Airlines.
The largest groups in July 2026 were 240 Boeing 737-800s and -900ERs and 227 Airbus A319s to A321s, followed by 99 A321neos and 87 A220s. Long-haul relies on 81 A330s, 58 Boeing 767s and 41 A350-900s.
Yes, it is called SkyMiles. Add your SkyMiles number when you book so the miles are credited automatically.
Atlanta offers the widest choice of onward flights. Otherwise it depends on direction: Seattle, Los Angeles and Salt Lake City cover the West, while Boston, Detroit and the New York airports serve the Northeast and Midwest.
Look at your e-ticket or Manage Booking on delta.com. The figure depends on your DL route, cabin and fare type.
Still looking?
Get an answer from the bookingMentor travel team and travellers who have flown Delta.
Need help?
Frequently Asked Questions (FAQs)
Everything travellers ask before flying Delta Air Lines.
Answers checked against Delta’s official website and published airline records. Reviewed 10 October 2026.
General
Delta is a founding member of SkyTeam. You can earn and spend SkyMiles on SkyTeam partners such as Air France, KLM, Korean Air and Aeromexico, and Delta also has close joint ventures with partners including Virgin Atlantic and LATAM.
Hartsfield-Jackson Atlanta International Airport is the largest. Eight more cities, from Boston and New York to Seattle and Los Angeles, complete the hub network.
Depending on the aircraft and route, Delta sells Delta One business class, First Class, Premium Select premium economy, Comfort+ extra legroom seats, Main Cabin and Basic Economy. Not every cabin is available on every flight, so check the seat map when booking.
Delta's loyalty programme is SkyMiles. Members earn miles on Delta and partner flights and can redeem them for flights and upgrades. SkyMiles members also get free onboard Wi-Fi on most Delta domestic flights.
You can check in on delta.com, in the Fly Delta app or at airport kiosks. Checked bag allowances and fees depend on route, fare and status, so check Delta's official baggage page for your exact itinerary before you fly.
No. SkyMiles do not expire, although accounts can be deactivated in some cases.
No. Single-day passes ended in January 2019. Access comes through membership, top-tier Medallion status or certain American Express cards.
Since December 2021 Basic Economy fares have earned no award or Medallion qualifying miles.
Contact Delta Air Lines through its official website, delta.com.
Booking
1,005 mainline aircraft, the third-largest commercial fleet in the world, with an average age of 14.9 years.
Delta Air Lines flies to 300+ destinations. They are listed by region, with fares and route guides where we have them, in the destinations section of this page.
Getting there
Delta holds 49 percent of Virgin Atlantic, 20 percent of Aeroméxico, 10 percent of LATAM, 12.7 percent of WestJet and smaller stakes in Air France-KLM and China Eastern.
Endeavor Air, which Delta owns, plus Republic Airways and SkyWest Airlines.
Delta Air Lines uses the IATA code DL and the ICAO code DAL. Its radio callsign is DELTA.
Timing & weather
Delta Air Lines was founded in 1925, 101 years ago.