Chicago (ORD) to Las Vegas (LAS) flights
United Airlines, American Airlines, Frontier Airlines fly nonstop from Chicago O'Hare International Airport to Harry Reid International Airport, with about 92 flights a week in July 2026. The 1,514-mile flight takes about 3h 59m gate to gate.
- Distance
- 1,514 mi ยท 2,437 km
- Flight time
- 3h 59m
- Airlines
- 3
- Seats filled
- 85%
Airlines flying ORD to LAS
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 47 | Airbus A321, Boeing 737-900ER, Boeing 737 MAX 9 | 372,589 | 4h 2m |
| American Airlines | 39 | Boeing 737-800, Airbus A321, Boeing 737 MAX 8 | 269,316 | 3h 57m |
| Frontier Airlines | 7 | Airbus A320neo, Airbus A321, Airbus A320-100/200 | 35,745 | 4h 7m |
| Southwest AirlinesSeasonal or ended | n/a | Boeing 737 MAX 8, Boeing 737-700 / MAX 7, Boeing 737-800 | 81,421 | 3h 58m |
| Spirit AirlinesCeased operations 2026-05-02 | n/a | Airbus A320-100/200, Airbus A320neo, Airbus A321 | 31,420 | 3h 50m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
ORD to LAS flight schedule
21 flight numbers flew this route in August 2026, 13 of them almost daily. The first usually leaves at 6:30am and the last at 10:00pm. 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) |
|---|---|---|---|---|
| AA 2020American Airlines | 6:30am | 8:20am | 4 | 87% |
| AA 1531American Airlines | 6:50am | 8:39am | 27 | 70% |
| UA 574United Airlines | 7:20am | 9:27am | 31 | 97% |
| F9 2145Frontier Airlines | 7:29am | 9:37am | 25 | 63% |
| UA 723United Airlines | 9:00am | 11:08am | 10 | 89% |
| UA 2811United Airlines | 9:17am | 11:23am | 21 | 86% |
| AA 1497American Airlines | 10:31am | 12:26pm | 27 | 56% |
| UA 1803United Airlines | 11:00am | 1:07pm | 21 | 81% |
| UA 704United Airlines | 12:45pm | 2:44pm | 21 | 67% |
| AA 1475American Airlines | 1:41pm | 3:36pm | 27 | 60% |
| AA 2877American Airlines | 1:41pm | 3:36pm | 4 | 65% |
| UA 777United Airlines | 2:00pm | 4:02pm | 31 | 75% |
| UA 1875United Airlines | 3:47pm | 5:57pm | 10 | 74% |
| UA 1215United Airlines | 4:30pm | 6:33pm | 8 | 63% |
| UA 2440United Airlines | 4:30pm | 6:39pm | 31 | 84% |
| AA 3292American Airlines | 6:37pm | 8:37pm | 31 | 49% |
| UA 2242United Airlines | 7:50pm | 9:59pm | 10 | 70% |
| UA 1813United Airlines | 8:45pm | 10:52pm | 21 | 57% |
| AA 1465American Airlines | 8:59pm | 10:54pm | 4 | 48% |
| AA 3323American Airlines | 9:07pm | 11:00pm | 27 | 56% |
| AA 1880American Airlines | 10:00pm | 11:53pm | 4 | 44% |
Is ORD to LAS on time?
From September 2025 to August 2026, 73% of 5,154 flights arrived within 15 minutes of schedule and 1.3% were cancelled. Flights leaving around 6am were the most punctual (90%), those around 8pm the least (58%). Most delay time was caused by late-arriving aircraft (46%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 2,354 | 80% | 15 min | 0.3% |
| American Airlines | 1,897 | 65% | 26 min | 2.2% |
| Southwest Airlines | 551 | 73% | 19 min | 0.7% |
| Frontier Airlines | 215 | 61% | 62 min | 6.5% |
| Spirit Airlines | 137 | 86% | 13 min | 2.2% |
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 |
|---|---|---|---|
| 6am to 7am | 407 | 90% | |
| 7am to 8am | 639 | 88% | |
| 9am to 10am | 466 | 82% | |
| 10am to 11am | 493 | 74% | |
| 11am to 12pm | 157 | 85% | |
| 12pm to 1pm | 257 | 80% | |
| 1pm to 2pm | 390 | 75% | |
| 2pm to 3pm | 176 | 70% | |
| 3pm to 4pm | 214 | 64% | |
| 4pm to 5pm | 421 | 63% | |
| 5pm to 6pm | 200 | 67% | |
| 6pm to 7pm | 197 | 58% | |
| 7pm to 8pm | 338 | 65% | |
| 8pm to 9pm | 385 | 58% | |
| 9pm to 10pm | 158 | 51% | |
| 10pm to 11pm | 177 | 50% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 480 | 71,997 | |
| September 2025 | 477 | 73,741 | |
| October 2025 | 488 | 75,781 | |
| November 2025 | 381 | 58,019 | |
| December 2025 | 355 | 53,950 | |
| January 2026 | 354 | 53,067 | |
| February 2026 | 391 | 59,018 | |
| March 2026 | 469 | 75,882 | |
| April 2026 | 500 | 71,497 | |
| May 2026 | 479 | 72,313 | |
| June 2026 | 388 | 60,481 | |
| July 2026 | 409 | 65,120 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.