Route
SFO → PDX
San Francisco International Airport Portland International Airport
Alerts at SFO and PDX
How punctual is this route?
- On-time arrivals
- 78.0%
- Less than 15 minutes late
- Cancelled
- 0.3%
- Of scheduled flights
- Average delay when late
- 63 min
- Flights arriving 15+ minutes late
- Flights tracked
- 3,491
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 62%
- Airline (crew, maintenance, cleaning) 27%
- Air traffic control & airport 10%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 87.2% | 328 |
| October 2025 | 82.8% | 344 |
| November 2025 | 78.9% | 280 |
| December 2025 | 78.6% | 235 |
| January 2026 | 85.8% | 254 |
| February 2026 | 84.6% | 254 |
| March 2026 | 89.2% | 289 |
| April 2026 | 73.8% | 300 |
| May 2026 | 67.9% | 299 |
| June 2026 | 68.2% | 289 |
| July 2026 | 72.4% | 294 |
| August 2026 | 68.2% | 325 |
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 | 1,726 | 78.8% | 0.1% | 67 min |
| Alaska Airlines | 1,402 | 76.8% | 0.6% | 59 min |
| SkyWest Airlines | 363 | 78.7% | 0.3% | 61 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
AS1302
28% late · 324 flights
-
AS1410
5% late · 320 flights
-
AS235
41% late · 287 flights
-
AS525
21% late · 287 flights
-
UA2611
23% late · 179 flights
-
UA1668
14% late · 170 flights
-
UA2384
27% late · 103 flights
-
UA2413
37% late · 103 flights
-
UA2265
11% late · 98 flights
-
UA2262
18% late · 95 flights
-
UA2646
9% late · 90 flights
-
UA2363
15% late · 86 flights
-
UA1168
32% late · 82 flights
-
OO5718
22% late · 77 flights
-
UA1812
35% late · 71 flights
-
AS835
22% late · 55 flights
-
UA2192
32% late · 50 flights
-
UA2851
27% late · 49 flights
-
UA2367
15% late · 48 flights
-
UA1301
40% late · 45 flights
-
UA1016
14% late · 44 flights
-
UA334
9% late · 44 flights
-
UA1027
0% late · 34 flights
-
AS1481
9% late · 33 flights
Reviews
No reviews yet. Be the first to review this route.