Airport gate intelligence · CMH
How many gates does Columbus Airport (CMH) have?
Columbus Airport (CMH) has 34 gates, with about 143 airline departures a day. American has the most (9), followed by United (6).
American flies 23% of the 17,617 seats leaving CMH each day. American has 50% more gates and 35% more seats than United. 2 gates are common use, shared by several airlines.
Gates, seats and flights by airline at CMH
| Airline | Gates held | Departures a day | Seats out a day | Share of seats | Seats per departure | Regional jets | Median turn | Tows a week |
|---|---|---|---|---|---|---|---|---|
| American | 9 | 40 | 4,057 | 23% | 102 | 64% | 52 min | 37 |
| United | 6 | 27 | 3,007 | 17% | 111 | 56% | 64 min | 14 |
| Southwest | 5 | 36 | 5,932 | 34% | 163 | 0% | 49 min | 14 |
| Delta | 5 | 29 | 3,160 | 18% | 110 | 57% | 69 min | 16 |
| Frontier | 1 | 2 | 325 | 2% | 195 | 0% | 54 min | 0 |
| Alaska | 1 | 1 | 178 | 1% | 178 | 0% | – | 0 |
| Breeze | – | 5 | 731 | 4% | 137 | 0% | 40 min | 0 |
| Air Canada | – | 3 | 228 | 1% | 76 | 100% | 44 min | 0 |
| Common use (shared) | 2 | |||||||
Average of 3 full days, Oct 3 to Oct 5, 2026. Gates held = the airline flying the gate most (regional partners count as their brand); 5 gates have too few flights yet. Seats are capacity, from each airline’s seat map per aircraft type.
On-time departures by airline at CMH
81% 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 | 27 | 91% | 9% |
| Delta | 29 | 85% | 15% |
| American | 40 | 76% | 24% |
| Southwest | 36 | 74% | 26% |
On time = left the gate less than 15 minutes after its scheduled time. Average of 3 full days.
What size aircraft CMH’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 CMH: terminals, gates and nonstop routes
Other airlines
Seen on only one of the full days collected (charters and occasional flights): Sun Country (9 flights); JetBlue (3 flights); K9 (2 flights); Denver Air Connection (1 flight).
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CMH gate questions
How many gates does Columbus Airport (CMH) have?
Columbus Airport (CMH) has 34 gates, with about 143 airline departures a day. American has the most (9), followed by United (6).
Which airline has the most gates at Columbus Airport (CMH)?
American, with 9 of the 34 gates at CMH (the airline flying each gate most; regional partners count as their brand).
How many flights a day leave Columbus Airport (CMH)?
About 143 airline departures a day (Oct 3 to Oct 5, 2026).
Which terminal is American in at CMH?
American flies from Concourse B at Columbus Airport (CMH).
How many gates does American have at CMH?
9 gates, with about 40 departures and 4,057 seats a day.
How many gates does United have at CMH?
6 gates, with about 27 departures and 3,007 seats a day.
How many gates does Southwest have at CMH?
5 gates, with about 36 departures and 5,932 seats a day.
How many seats leave CMH each day?
About 17,617 seats on 143 airline departures a day (average of 3 full days, Oct 3 to Oct 5, 2026).
What is the typical turn time at CMH?
58 minutes at the gate from arrival to departure (median of every turn measured).
Which airline leaves CMH on time most often?
United Airlines: 91% of its departures left the gate less than 15 minutes after their scheduled time, against 81% for all airlines at CMH (3 full days, Oct 3 to Oct 5, 2026).
How often do flights at CMH go back to the gate after pushing back?
4 departures in 3 days probably went back to the gate before taking off (a mechanical problem, fuel, a passenger taken off).
How many aircraft tows happen at CMH?
About 82 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.