Airlines with flights from Ontario to Atlanta

There are five airlines with scheduled flights between ONT and ATL. Delta is the only airline with non-stop flights from Ontario International Airport to Hartsfield–Jackson Atlanta Airport and the flight time is 4 hours and 14 minutes.

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Schedules

Delta Air Lines

Non-stop with Delta Air Lines

  • Total flight time: 4 hours and 14 minutes
  • Sky Team Alliance
  • Atlanta is a Delta Air Lines hub (Largest hub).
  • 18 flights per week
  • Airbus A321
ONT
Direct
ATL
 
Flight
Mon
Jun 29
Tue
Jun 30
Wed
Jul 1
Thu
Jul 2
Fri
Jul 3
Sat
Jul 4
Sun
Jul 5
DL761
07:05
07:05
07:05
07:05
07:05
07:05
07:05
DL665
11:50
11:50
11:50
11:50
11:50
11:50
11:50
DL2892
22:00
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22:00
22:00
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22:00
SHOW RETURN SCHEDULE
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The timetable & schedule information was updated at 2026-04-21

American Airlines

Via Phoenix with American Airlines

  • Total flight time: 5h 20m - 7h 49m.
  • One World Alliance
  • 49 flights per week
ONT
 
Via PHX
 
ATL
 
Flight
Mon
Jun 29
Tue
Jun 30
Wed
Jul 1
Thu
Jul 2
Fri
Jul 3
Sat
Jul 4
Sun
Jul 5
AA1194
AA1373
06:10
06:10
06:10
06:10
06:10
06:10
06:10
AA2244
AA2391
13:10
13:10
13:10
13:10
13:10
13:10
13:10
SHOW RETURN SCHEDULE
CHECK PRICES FOR ONT - ATL

The timetable & schedule information was updated at 2026-04-21

Southwest Airlines

Via Las Vegas with Southwest Airlines

  • Total flight time: 5h 35m - 8h 45m.
  • Low-cost airline
  • Atlanta is a Southwest Airlines focus city (Operating base).
  • 58 flights per week
ONT
 
Via LAS
 
ATL
 
Flight
Mon
Jun 29
Tue
Jun 30
Wed
Jul 1
Thu
Jul 2
Fri
Jul 3
Sat
Jul 4
Sun
Jul 5
WN3150
WN1684
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05:25
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WN3150
WN4482
05:30
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05:30
05:30
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WN3150
WN2911
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05:30
05:30
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WN5082
WN2179
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19:00
WN372
WN2179
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20:25
20:25
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SHOW RETURN SCHEDULE
CHECK PRICES FOR ONT - ATL

The timetable & schedule information was updated at 2026-04-21

Southwest Airlines

Via Houston with Southwest Airlines

  • Total flight time: 5h 35m - 8h 55m.
  • Low-cost airline
  • Atlanta is a Southwest Airlines focus city (Operating base).
  • 47 flights per week
ONT
 
Via HOU
 
ATL
 
Flight
Mon
Jun 29
Tue
Jun 30
Wed
Jul 1
Thu
Jul 2
Fri
Jul 3
Sat
Jul 4
Sun
Jul 5
WN4868
WN1948
09:40
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09:40
09:40
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WN4868
WN4155
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13:05
13:05
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WN1069
WN4595
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14:40
SHOW RETURN SCHEDULE
CHECK PRICES FOR ONT - ATL

The timetable & schedule information was updated at 2026-04-21

Southwest Airlines

Via Phoenix with Southwest Airlines

  • Total flight time: 5h 35m - 7h 55m.
  • Low-cost airline
  • Atlanta is a Southwest Airlines focus city (Operating base).
  • 28 flights per week
ONT
 
Via PHX
 
ATL
 
Flight
Mon
Jun 29
Tue
Jun 30
Wed
Jul 1
Thu
Jul 2
Fri
Jul 3
Sat
Jul 4
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Jul 5
WN864
WN3917
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05:15
WN864
WN425
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05:15
05:15
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WN1561
WN2602
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12:55
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SHOW RETURN SCHEDULE
CHECK PRICES FOR ONT - ATL

The timetable & schedule information was updated at 2026-04-21

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At Airlineinformation.com you can learn all about the airlines operating around the world together with their destinations and where they operate. You will get a transparent overview of airlines with scheduled flights between any two destinations with non-stop or 1-stop flights regardless of price or availability.
Flight data on this page was last updated on 2026-06-15
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