Airport gate intelligence · ATL
How many gates does Atlanta Airport (ATL) have?
Atlanta Airport (ATL) has 201 gates, with about 1,089 airline departures a day. Delta has the most (146), followed by Southwest (8).
Delta flies 81% of the 174,096 seats leaving ATL each day. Delta has 1725% more gates and 1878% more seats than Southwest. 13 gates are common use, shared by several airlines.
Gates, seats and flights by airline at ATL
| Airline | Gates held | Departures a day | Seats out a day | Share of seats | Seats per departure | Regional jets | Median turn | Tows a week |
|---|---|---|---|---|---|---|---|---|
| Delta | 146 | 880 | 141,333 | 81% | 161 | 29% | 81 min | 300 |
| Southwest | 8 | 45 | 7,146 | 4% | 160 | 0% | 53 min | 23 |
| Frontier | 7 | 58 | 12,723 | 7% | 220 | 0% | 83 min | 12 |
| American | 5 | 43 | 5,286 | 3% | 122 | 39% | 51 min | 36 |
| United | 4 | 26 | 3,864 | 2% | 151 | 12% | 74 min | 1 |
| Common use (shared) | 13 | |||||||
Average of 19 full days, Oct 1 to Oct 21, 2026. Gates held = the airline flying the gate most (regional partners count as their brand); 18 gates saw few or no flights (not in use or under repair). Seats are capacity, from each airline’s seat map per aircraft type; 1% of flights have no seat count yet.
On-time departures by airline at ATL
84% of departures left the gate on time (less than 15 minutes after their scheduled time). Airlines with 10+ departures a day.
| Airline | Departures a day | On time | 15+ min late |
|---|---|---|---|
| United | 26 | 91% | 9% |
| Delta | 880 | 86% | 14% |
| American | 43 | 77% | 23% |
| Frontier | 58 | 75% | 25% |
| JetBlue | 10 | 70% | 30% |
| Southwest | 45 | 60% | 40% |
On time = left the gate less than 15 minutes after its scheduled time. Average of 19 full days.
What size aircraft ATL’s gates handle
Gates by the largest aircraft seen there at least twice. A gate that takes a wide-body also takes anything smaller.
Airlines at ATL: terminals, gates and nonstop routes
Other airlines
Regular flights, but no ATL gate listed in the flight data, so not on the map: Denver Air Connection (64 flights to Greenville, MS and Jackson, TN); Cathay Pacific (16 flights to Anchorage); EVA Air (11 flights to Anchorage); XE (4 flights to Dallas Love Field).
Seen on only one of the full days collected (charters and occasional flights): China Airlines (9 flights); Air Incheon (8 flights); X7 (5 flights); Allegiant (3 flights); 2I (2 flights).
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ATL gate questions
How many gates does Atlanta Airport (ATL) have?
Atlanta Airport (ATL) has 201 gates, with about 1,089 airline departures a day. Delta has the most (146), followed by Southwest (8).
Which airline has the most gates at Atlanta Airport (ATL)?
Delta, with 146 of the 201 gates at ATL (the airline flying each gate most; regional partners count as their brand).
How many flights a day leave Atlanta Airport (ATL)?
About 1,089 airline departures a day (Oct 1 to Oct 21, 2026).
Which terminal is Delta in at ATL?
Delta flies from Terminal S’s Concourses B, A, D, C and T and Terminal I’s Concourse E at Atlanta Airport (ATL).
How many gates does Delta have at ATL?
146 gates, with about 880 departures and 141,333 seats a day.
How many gates does Southwest have at ATL?
8 gates, with about 45 departures and 7,146 seats a day.
How many gates does Frontier have at ATL?
7 gates, with about 58 departures and 12,723 seats a day.
How many seats leave ATL each day?
About 174,096 seats on 1,089 airline departures a day (average of 19 full days, Oct 1 to Oct 21, 2026).
What is the typical turn time at ATL?
79 minutes at the gate from arrival to departure (median of every turn measured).
Which airline leaves ATL on time most often?
United Airlines: 91% of its departures left the gate less than 15 minutes after their scheduled time, against 84% for all airlines at ATL (19 full days, Oct 1 to Oct 21, 2026).
How often do flights at ATL go back to the gate after pushing back?
6 departures in 19 days probably went back to the gate before taking off (a mechanical problem, fuel, a passenger taken off).
How many aircraft tows happen at ATL?
About 375 tows a week: a plane that arrives at one gate and leaves from another was towed between them. Planes we didn't see arrive aren't counted.