Los Angeles (LAX) to Chicago (ORD) flights
United Airlines, American Airlines, Delta Air Lines, Frontier Airlines fly nonstop from Los Angeles International Airport to Chicago O'Hare International Airport, with about 165 flights a week in July 2026. The 1,744-mile flight takes about 4h 6m gate to gate.
- Distance
- 1,744 mi ยท 2,807 km
- Flight time
- 4h 6m
- Airlines
- 4
- Seats filled
- 86%
Airlines flying LAX to ORD
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 73 | Airbus A321, Boeing 757-300, Boeing 737-900ER | 601,094 | 4h 7m |
| American Airlines | 68 | Boeing 737-800, Airbus A321, Boeing 737 MAX 8 | 475,255 | 4h 5m |
| Delta Air Lines | 19 | Boeing 737-800, Boeing 737-900ER, Airbus A321 | 22,111 | 4h 5m |
| Frontier Airlines | 6 | Airbus A321, Airbus A320neo, Airbus A320-100/200 | 42,485 | 4h 5m |
| Spirit AirlinesCeased operations 2026-05-02 | n/a | Airbus A320-100/200, Airbus A320neo, Airbus A321 | 29,927 | 4h 0m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
LAX to ORD flight schedule
33 flight numbers flew this route in August 2026, 25 of them almost daily. The first usually leaves at 12:10am and the last at 11:59pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| UA 729United Airlines | 12:10am | 6:20am | 31 | 84% |
| AA 2919American Airlines | 12:40am | 7:06am | 4 | 85% |
| AA 3161American Airlines | 12:41am | 7:06am | 27 | 81% |
| UA 580United Airlines | 5:30am | 11:46am | 27 | 91% |
| AA 383American Airlines | 6:00am | 12:23pm | 31 | 91% |
| UA 1941United Airlines | 7:00am | 1:15pm | 31 | 88% |
| DL 967Delta Air Lines | 7:35am | 1:41pm | 30 | 78% |
| UA 1946United Airlines | 8:15am | 2:36pm | 31 | 85% |
| AA 1598American Airlines | 8:27am | 2:54pm | 31 | 86% |
| AA 2998American Airlines | 9:25am | 3:54pm | 27 | 74% |
| AA 2608American Airlines | 9:30am | 3:59pm | 4 | 74% |
| AA 3075American Airlines | 10:22am | 4:51pm | 27 | 69% |
| UA 2113United Airlines | 10:44am | 5:05pm | 31 | 78% |
| AA 2891American Airlines | 11:17am | 5:47pm | 27 | 74% |
| DL 2368Delta Air Lines | 11:29am | 5:40pm | 26 | 70% |
| AA 1050American Airlines | 11:40am | 6:12pm | 4 | 58% |
| UA 457United Airlines | 12:40pm | 7:00pm | 31 | 64% |
| AA 3194American Airlines | 1:20pm | 8:00pm | 27 | 74% |
| AA 3134American Airlines | 1:25pm | 8:08pm | 4 | 59% |
| UA 2487United Airlines | 2:15pm | 8:33pm | 31 | 65% |
| UA 2794United Airlines | 3:20pm | 9:30pm | 21 | 59% |
| AA 2718American Airlines | 4:25pm | 11:00pm | 4 | 66% |
| UA 2780United Airlines | 4:55pm | 11:05pm | 21 | 71% |
| UA 212United Airlines | 5:00pm | 11:16pm | 10 | 86% |
| AA 1998American Airlines | 5:09pm | 11:30pm | 27 | 55% |
| DL 1634Delta Air Lines | 5:46pm | 11:48pm | 31 | 62% |
| AA 1433American Airlines | 5:50pm | 12:07am | 4 | 63% |
| AA 1980American Airlines | 6:14pm | 12:29am | 27 | 83% |
| UA 1754United Airlines | 6:58pm | 1:15am | 8 | 82% |
| UA 353United Airlines | 10:35pm | 4:45am | 31 | 88% |
| AA 1009American Airlines | 10:36pm | 5:00am | 31 | 80% |
| UA 1962United Airlines | 11:30pm | 5:41am | 31 | 89% |
| F9 2446Frontier Airlines | 11:59pm | 6:17am | 31 | 63% |
Is LAX to ORD on time?
From September 2025 to August 2026, 76% of 7,119 flights arrived within 15 minutes of schedule and 1.4% were cancelled. Flights leaving around 6am were the most punctual (92%), those around 2pm the least (64%). Most delay time was caused by late-arriving aircraft (40%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 3,414 | 80% | 15 min | 0.7% |
| American Airlines | 3,091 | 74% | 25 min | 1.8% |
| Frontier Airlines | 244 | 62% | 52 min | 4.9% |
| Delta Air Lines | 238 | 70% | 21 min | 0% |
| Spirit Airlines | 132 | 79% | 23 min | 6.1% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 12am to 1am | 486 | 79% | |
| 6am to 7am | 480 | 92% | |
| 7am to 8am | 538 | 87% | |
| 8am to 9am | 602 | 83% | |
| 9am to 10am | 243 | 79% | |
| 10am to 11am | 695 | 71% | |
| 11am to 12pm | 393 | 67% | |
| 12pm to 1pm | 438 | 64% | |
| 1pm to 2pm | 191 | 64% | |
| 2pm to 3pm | 410 | 64% | |
| 3pm to 4pm | 290 | 63% | |
| 4pm to 5pm | 235 | 80% | |
| 5pm to 6pm | 505 | 72% | |
| 6pm to 7pm | 316 | 79% | |
| 10pm to 11pm | 308 | 86% | |
| 11pm to 12am | 756 | 78% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 654 | 116,445 | |
| September 2025 | 613 | 97,513 | |
| October 2025 | 564 | 95,496 | |
| November 2025 | 562 | 94,017 | |
| December 2025 | 561 | 94,701 | |
| January 2026 | 457 | 71,976 | |
| February 2026 | 454 | 66,772 | |
| March 2026 | 526 | 94,500 | |
| April 2026 | 535 | 94,349 | |
| May 2026 | 598 | 103,375 | |
| June 2026 | 638 | 115,393 | |
| July 2026 | 733 | 126,335 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.