Route
ORD → LAX
Chicago O'Hare International Airport Los Angeles International Airport
How punctual is this route?
- On-time arrivals
- 72.0%
- Less than 15 minutes late
- Cancelled
- 1.3%
- Of scheduled flights
- Average delay when late
- 79 min
- Flights arriving 15+ minutes late
- Flights tracked
- 7,121
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 46%
- Airline (crew, maintenance, cleaning) 30%
- Air traffic control & airport 17%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 81.3% | 616 |
| October 2025 | 72.6% | 565 |
| November 2025 | 77.9% | 588 |
| December 2025 | 67.7% | 568 |
| January 2026 | 70.7% | 463 |
| February 2026 | 78.7% | 451 |
| March 2026 | 74.6% | 549 |
| April 2026 | 65.3% | 551 |
| May 2026 | 79.1% | 601 |
| June 2026 | 63.1% | 658 |
| July 2026 | 73.4% | 749 |
| August 2026 | 62.8% | 762 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| United Airlines | 3,416 | 76.7% | 0.6% | 75 min |
| American Airlines | 3,092 | 67.7% | 1.8% | 80 min |
| Frontier Airlines | 245 | 60.9% | 4.1% | 86 min |
| Delta Air Lines | 238 | 70.6% | 0.0% | 86 min |
| NK | 130 | 69.7% | 6.2% | 97 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA1967
34% late · 333 flights
-
UA1363
18% late · 328 flights
-
UA576
26% late · 304 flights
-
UA2361
10% late · 291 flights
-
AA1979
30% late · 273 flights
-
UA1044
20% late · 246 flights
-
F92445
39% late · 245 flights
-
UA374
23% late · 215 flights
-
UA2499
43% late · 212 flights
-
AA2364
45% late · 209 flights
-
AA607
14% late · 209 flights
-
AA2012
29% late · 207 flights
-
AA3194
47% late · 206 flights
-
UA661
36% late · 199 flights
-
AA529
43% late · 165 flights
-
UA2488
18% late · 133 flights
-
UA2814
16% late · 103 flights
-
UA530
10% late · 98 flights
-
AA2998
41% late · 92 flights
-
DL1556
20% late · 86 flights
-
DL2298
33% late · 86 flights
-
UA2124
21% late · 83 flights
-
AA1209
44% late · 77 flights
-
AA1437
45% late · 76 flights
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Headlines found by Google News; stories open on the publisher's site.
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