Ontario to Atlanta (ONT–ATL) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
ONT–ATL is served by 2 airlines with nonstop service. Delta Air Lines and Aeromexico lead the route. The flight covers 1,896 miles in approximately 4h 1m. Beyond nonstop, 36 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| DL Delta Air Lines | 21 | 321 | 4h01-4h07 | SkyTeam | – | |
| AM Aeromexico | 7 | 321 | 4h07 | SkyTeam | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach Atlanta from Ontario
| Metric | ONT→ATL | SBD→ATL | SNA→ATL |
|---|---|---|---|
| Distance from ONT | – | 21 mi | 30 mi |
| Nonstop airlines | 2 | 1 | 3 |
| Weekly flights | 28 | – | 76 |
| Flight time | 4h 1m | 3h 15m | 3h 58m |
| Departure OTP | 70% | – | – |
Travel Essentials
ONT: PDT · ATL: EDT
When it's 6:00 PM in Ontario, it's 9:00 PM in Atlanta.
MARTA Gold Line connects the airport to downtown Atlanta (16 min, $2.50) and Buckhead (30 min). Taxis have a flat rate of $30 to downtown, $38 to Buckhead. Ride-shares are typically $20–35.
The SkyTrain people mover links the Domestic and International terminals, rental car center, and Georgia International Convention Center.
Humid subtropical climate. Summers are hot and humid (30–35°C) with frequent afternoon thunderstorms that cause flight delays June through August. Winters are mild (2–10°C) with rare snowfall. Ice storms can shut down the airport when they hit.
Spring brings severe weather risk including tornadoes. Fall (September–November) is the most pleasant season for travel.
ONT–ATL Quick Facts
Frequently Asked Questions
Flights from ONT to ATL
Ontario International Airport (ONT) and Hartsfield Jackson Atlanta International Airport (ATL) are connected by nonstop service from Aeromexico and Delta Air Lines. With 28 weekly departures, this is a heavily served route.
ONT to ATL Flight Duration and Schedule
Nonstop flight time from ONT to ATL ranges from 4 hours 1 minutes to 4 hours 7 minutes. The route covers a distance of 1,896 miles (3,050 km). There are approximately 28 weekly flights outbound and 38 return, totaling 66 flights per week in both directions.
Connecting Options and Alternatives
36 one-stop connections are available, with the fastest taking approximately 5 hours via PSP. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include San Bernardino (SBD), Santa Ana (SNA) and Long Beach (LGB).