AtlantaOntarioFlight TimeATL–ONT
Atlanta (Hartsfield-Jackson Atlanta International Airport) to Ontario (Ontario International Airport).
The flight from Atlanta (ATL) to Ontario (ONT) takes 4h 5m on average, covering about 2,116 miles. Across 6 flights we tracked, the fastest was 3h 53m and the slowest 4h 25m, with Delta Air Lines flying it most often.
Plan this routeAt a glance
| Avg flight time | Distance | Fastest tracked | Airlines |
|---|---|---|---|
| 4h 5m | 2,116 mi | 3h 53m | 1 |
Airlines on this route
Captured airlines for ATL to ONT
Our current provider sample includes 2-3/day from ATL to ONT across 1 captured airline. Captured departure terminal data is available for S.
- First departure
- 09:15
- Last departure
- 20:17
- Cadence
- 3 departures/day
- Captured departures/day
- 3
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| Delta Air Lines | 2-3/day | Airbus A320 family · Terminal S · Seat map | 09:1516:59 |
Aircraft we tracked
Methodology: figures are aggregated from 6 real flights on this route tracked between 2026-06-04 and 2026-06-10, sourced from live flight data. Updated daily as new flights are observed.
Route FAQ
How long is the flight from ATL to ONT?
The ATL to ONT flight takes 4h 5m on average based on 6 tracked flights.
How far is ATL from ONT?
ATL to ONT is about 2,116 miles by air.
Which airlines fly from ATL to ONT?
Delta Air Lines flies the ATL to ONT route in our tracked route data.
What aircraft fly from ATL to ONT?
Aircraft observed on ATL to ONT include Airbus A321.