Route
SJC → LAX
Mineta San Jose International Airport Los Angeles International Airport
How punctual is this route?
- On-time arrivals
- 85.0%
- Less than 15 minutes late
- Cancelled
- 0.9%
- Of scheduled flights
- Average delay when late
- 59 min
- Flights arriving 15+ minutes late
- Flights tracked
- 4,470
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 46%
- Airline (crew, maintenance, cleaning) 35%
- Air traffic control & airport 14%
- Extreme weather 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 89.6% | 424 |
| October 2025 | 85.0% | 422 |
| November 2025 | 86.7% | 336 |
| December 2025 | 82.1% | 379 |
| January 2026 | 92.5% | 320 |
| February 2026 | 84.4% | 315 |
| March 2026 | 88.8% | 357 |
| April 2026 | 89.7% | 344 |
| May 2026 | 88.9% | 382 |
| June 2026 | 77.1% | 395 |
| July 2026 | 78.8% | 411 |
| August 2026 | 78.0% | 385 |
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 |
|---|---|---|---|---|
| Southwest Airlines | 1,867 | 76.8% | 0.6% | 52 min |
| SkyWest Airlines | 1,809 | 91.7% | 0.4% | 83 min |
| Delta Air Lines | 649 | 91.6% | 2.3% | 62 min |
| Frontier Airlines | 138 | 75.8% | 4.3% | 49 min |
| American Airlines | 6 | 66.7% | 0.0% | 29 min |
| United Airlines | 1 | 100.0% | 0.0% | — |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
OO3883
9% late · 271 flights
-
OO3979
3% late · 208 flights
-
OO3842
9% late · 203 flights
-
DL1438
10% late · 201 flights
-
OO3902
8% late · 146 flights
-
OO4123
5% late · 135 flights
-
OO3632
11% late · 109 flights
-
OO3634
6% late · 109 flights
-
DL1654
9% late · 86 flights
-
DL2965
7% late · 86 flights
-
DL2541
8% late · 84 flights
-
F94082
29% late · 84 flights
-
OO3822
5% late · 73 flights
-
OO3762
3% late · 69 flights
-
WN1333
25% late · 64 flights
-
DL2621
9% late · 60 flights
-
WN4877
10% late · 60 flights
-
WN1408
26% late · 57 flights
-
WN3828
0% late · 57 flights
-
WN3847
19% late · 57 flights
-
OO3363
13% late · 55 flights
-
WN188
7% late · 55 flights
-
F92458
17% late · 54 flights
-
OO3969
15% late · 54 flights
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Headlines found by Google News; stories open on the publisher's site.
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