Route
LAX → SJC
Los Angeles International Airport Mineta San Jose International Airport
How punctual is this route?
- On-time arrivals
- 85.6%
- Less than 15 minutes late
- Cancelled
- 1.0%
- Of scheduled flights
- Average delay when late
- 58 min
- Flights arriving 15+ minutes late
- Flights tracked
- 4,471
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 49%
- Airline (crew, maintenance, cleaning) 41%
- Air traffic control & airport 5%
- Extreme weather 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 92.0% | 424 |
| October 2025 | 85.0% | 420 |
| November 2025 | 90.0% | 337 |
| December 2025 | 81.4% | 379 |
| January 2026 | 91.6% | 320 |
| February 2026 | 86.9% | 314 |
| March 2026 | 87.6% | 357 |
| April 2026 | 86.4% | 343 |
| May 2026 | 80.7% | 382 |
| June 2026 | 79.0% | 395 |
| July 2026 | 83.5% | 411 |
| August 2026 | 84.7% | 389 |
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 | 1,871 | 80.6% | 0.9% | 55 min |
| SkyWest Airlines | 1,805 | 90.7% | 0.4% | 63 min |
| Delta Air Lines | 650 | 86.9% | 2.2% | 61 min |
| Frontier Airlines | 138 | 80.5% | 3.6% | 56 min |
| American Airlines | 6 | 66.7% | 0.0% | 39 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
14% late · 286 flights
-
OO3842
11% late · 239 flights
-
DL1438
14% late · 201 flights
-
OO3983
10% late · 197 flights
-
F92457
20% late · 138 flights
-
OO4123
5% late · 136 flights
-
OO3902
5% late · 121 flights
-
OO3632
7% late · 110 flights
-
OO3634
4% late · 109 flights
-
DL2965
7% late · 86 flights
-
DL3073
14% late · 86 flights
-
DL2541
13% late · 84 flights
-
OO3822
7% late · 73 flights
-
OO4451
0% late · 69 flights
-
OO3762
5% late · 64 flights
-
DL2621
11% late · 60 flights
-
WN2336
8% late · 59 flights
-
WN2898
41% late · 58 flights
-
WN2894
4% late · 57 flights
-
OO3387
16% late · 55 flights
-
OO3969
19% late · 54 flights
-
WN1740
8% late · 53 flights
-
DL1061
16% late · 51 flights
-
WN2434
33% late · 51 flights
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Headlines found by Google News; stories open on the publisher's site.
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