Ontario to Atlanta (ONT–ATL) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
ONT–ATL is served by 2 airlines with nonstop service. Delta Air Lines and Alaska Airlines lead the route. The flight covers 1,896 miles in approximately 4h 18m. Beyond nonstop, 1-stop connecting options are also available.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| DL Delta Air Lines Also: AF, AM, KL, LA, VS | 20 | 321 | 4h05-4h18 | SkyTeam | AF, AM, KL, LA, VS | |
| AS Alaska Airlines | 0 | – | – | Oneworld | – |
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 | 7 |
| Weekly flights | 91 | – | 95 |
| Flight time | 4h 18m | 3h 15m | 4h 13m |
| Departure OTP | 88% | – | – |
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 Delta Air Lines and Alaska Airlines. With 91 weekly departures, this is a heavily served route.
ONT to ATL Flight Duration and Schedule
Nonstop flight time from ONT to ATL is about 4 hours 18 minutes gate to gate. The route covers a distance of 1,896 miles (3,050 km). There are approximately 91 weekly flights outbound and 36 return, totaling 127 flights per week in both directions.
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Phoenix Sky Harbor, Nashville and Harry Reid. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include San Bernardino (SBD), Santa Ana (SNA) and Long Beach (LGB).