Route
PDX → SJC
Portland International Airport Mineta San Jose International Airport
How punctual is this route?
- On-time arrivals
- 81.8%
- Less than 15 minutes late
- Cancelled
- 0.4%
- Of scheduled flights
- Average delay when late
- 59 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,702
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 63%
- Airline (crew, maintenance, cleaning) 30%
- Air traffic control & airport 5%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 79.2% | 150 |
| October 2025 | 79.0% | 158 |
| November 2025 | 82.6% | 116 |
| December 2025 | 81.0% | 184 |
| January 2026 | 86.5% | 126 |
| February 2026 | 88.3% | 120 |
| March 2026 | 86.0% | 114 |
| April 2026 | 86.1% | 116 |
| May 2026 | 83.6% | 116 |
| June 2026 | 81.3% | 157 |
| July 2026 | 75.6% | 172 |
| August 2026 | 78.4% | 173 |
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 | 923 | 76.9% | 0.4% | 59 min |
| SkyWest Airlines | 491 | 87.3% | 0.0% | 60 min |
| Alaska Airlines | 288 | 87.8% | 0.7% | 55 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
OO3379
16% late · 179 flights
-
AS1632
12% late · 70 flights
-
OO3210
9% late · 70 flights
-
AS678
26% late · 69 flights
-
WN4024
8% late · 60 flights
-
OO3400
11% late · 54 flights
-
WN3078
11% late · 53 flights
-
WN3076
2% late · 50 flights
-
WN2606
55% late · 49 flights
-
WN1670
72% late · 44 flights
-
WN668
7% late · 42 flights
-
WN3715
0% late · 40 flights
-
WN3209
0% late · 36 flights
-
WN1933
3% late · 33 flights
-
AS413
3% late · 31 flights
-
WN1603
6% late · 31 flights
-
WN492
32% late · 31 flights
-
AS549
3% late · 29 flights
-
AS1350
4% late · 28 flights
-
OO3289
4% late · 28 flights
-
WN3210
37% late · 27 flights
-
WN3996
41% late · 27 flights
-
WN1155
12% late · 26 flights
-
WN4132
4% late · 25 flights
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