Delta · ONT
What gates does Delta use at Ontario Airport (ONT)?
Delta uses gates 207, 208 and 209 at Ontario Airport (ONT), mainly in Terminal 2, with about 9 departures a day (Oct 3–5, 2026). It is the main airline at all 3.
Based on 343 Delta flights at ONT, Oct 3–5, 2026 (full days)

How Delta compares at ONT
- 3rd of the 10 airlines with regular flights at ONT by departures: 11% of them (9 departures a day of about 79 a day).
- 9% of the seats leaving ONT: about 1,098 a day, 122 per departure.
- 2.1 turns a day at each gate it turns planes at, 27% fewer than the airport’s 2.9.
- Median turn at the gate: 55 min, the same as the airport median (54 min).
- 44% of its departures are regional jets, against 11% across ONT.
- At ONT, Delta’s 9 departures a day compare with American’s 9 and Alaska’s 9-10. Delta has 3 gates of its own; American 4; Alaska 2.
Where Delta flies nonstop from ONT
4 nonstop destinations. Nonstop routes seen Oct 3–5, 2026; a few days of data can miss weekly or seasonal routes.
| Destination | Flights | Other airlines on this route |
|---|---|---|
| Salt Lake CitySLC | 3-4/day | none seen |
| AtlantaATL | 2-3/day | none seen |
| SeattleSEA | 2-3/day | Alaska (3-4/day), Frontier (1/day) |
| SpokaneGEG | 2-3/week | none seen |
When Delta flies at ONT
- First departure of the day usually around 5:50 am, the last around 10:00 pm.
- Busiest hour: 11:00 am–12:00 pm, with about 3 of its arrivals and departures.
- About 2 of its aircraft spend the night at ONT (arrive in the evening, leave the next morning).
Delta’s aircraft at ONT
| Aircraft | Departures | Seats each |
|---|---|---|
| E175 | 4/day | 76 |
| A321 | 2-3/day | 191 |
| A220-100 | 2/day | 109 |
| 757-200 | 2-3/week | 199 |
About 1,098 seats leave ONT on Delta each day. Of the gates it holds, 3 have taken a narrow-body. Seats are capacity from each airline’s seat map per aircraft type, not passengers.
Delta’s gates at ONT
Terminal 2 207, 208, 209
Held = the airline flying the gate most (regional partners count as their brand).
About this data
Based on 3 full days of flights at ONT, Oct 3–5, 2026. Gates of its own are the gates where Delta flies the most (regional partners count as their brand). Every one of its departures has a seat count.
Delta at ONT: questions
What terminal is Delta at Ontario Airport (ONT)?
Delta flies from Terminal 2 at Ontario Airport (ONT).
What gates does Delta use at ONT?
Delta has 3 gates at ONT (the airline flying each one most): 207, 208 and 209. It used 3 gates in all over Oct 3–5, 2026.
How many flights a day does Delta have from ONT?
About 9 departures a day and 1,098 seats, averaged over Oct 3–5, 2026.
Where does Delta fly nonstop from ONT?
Delta flies nonstop to 4 cities from ONT, the most often to Salt Lake City, Atlanta, Seattle and Spokane. Routes seen Oct 3–5, 2026.
When is Delta’s first flight out of ONT?
Usually around 5:50 am; the last leaves around 10:00 pm.
Other airlines at ONT
All of ONT’s gates by airline · Delta at every airport we map · Nonstop routes from ONT