Route
SMF → SEA
Sacramento International Airport Seattle–Tacoma International Airport
How punctual is this route?
- On-time arrivals
- 83.0%
- Less than 15 minutes late
- Cancelled
- 0.3%
- Of scheduled flights
- Average delay when late
- 54 min
- Flights arriving 15+ minutes late
- Flights tracked
- 4,396
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 39%
- Late-arriving aircraft 27%
- Air traffic control & airport 25%
- Extreme weather 9%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 79.1% | 398 |
| October 2025 | 81.5% | 395 |
| November 2025 | 84.7% | 341 |
| December 2025 | 78.2% | 295 |
| January 2026 | 88.3% | 309 |
| February 2026 | 90.1% | 282 |
| March 2026 | 87.0% | 350 |
| April 2026 | 85.6% | 369 |
| May 2026 | 85.6% | 389 |
| June 2026 | 77.9% | 407 |
| July 2026 | 80.8% | 429 |
| August 2026 | 80.5% | 432 |
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 |
|---|---|---|---|---|
| SkyWest Airlines | 1,851 | 87.6% | 0.3% | 64 min |
| Alaska Airlines | 1,407 | 80.9% | 0.4% | 49 min |
| Southwest Airlines | 1,138 | 78.1% | 0.2% | 49 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
OO4075
13% late · 349 flights
-
AS1365
17% late · 210 flights
-
OO3881
10% late · 207 flights
-
AS1358
20% late · 206 flights
-
OO4125
6% late · 177 flights
-
OO4043
15% late · 157 flights
-
OO4153
17% late · 141 flights
-
OO3505
8% late · 126 flights
-
OO4439
8% late · 122 flights
-
OO3839
6% late · 110 flights
-
OO4049
17% late · 82 flights
-
AS620
25% late · 79 flights
-
AS1320
10% late · 77 flights
-
AS1468
14% late · 70 flights
-
AS795
25% late · 70 flights
-
AS1409
3% late · 69 flights
-
OO3814
10% late · 62 flights
-
WN4920
5% late · 60 flights
-
AS403
20% late · 59 flights
-
WN2061
21% late · 58 flights
-
WN4374
26% late · 58 flights
-
OO3390
11% late · 55 flights
-
WN3678
20% late · 54 flights
-
WN3677
8% late · 53 flights
Reviews
No reviews yet. Be the first to review this route.