Flight Reliability
AS 3199 · Alaska Airlines
Sacramento → Seattle (SMF–SEA)99% of its flights flew this route. The rest (SLC–SEA) are included in these numbers.
66
Usually Fine
WanderNerd Reliability Score
- 69%
- Arrive within 15 minutes
- 19 min
- Average arrival delay
- 0%
- Cancelled
- 0 min
- Median arrival delay
Based on 68 historical flights. Data through May 2026.
What the data says
Mondays have been rough.
AS 3199 arrived on time 82% of the time on Saturdays and just 50% on Mondays. That gap is worth planning around.
Lagging the SMF–SEA route.
AS 3199 arrived on time 69% of the time, versus 83% across the SMF–SEA route.
Lagging the Alaska Airlines network.
AS 3199 arrived on time 69% of the time, versus 80% across the Alaska Airlines network.
The breakdown
- Mon50%(10 flights)
- Tue—(9 flights)
- Wed—(9 flights)
- Thu60%(10 flights)
- Fri—(8 flights)
- Sat82%(11 flights)
- Sun60%(10 flights)
- 9 AM–12 PM—(1 flights)
- 6–9 PM68%(66 flights)
65%
Aug
Jun 63% → Aug 65% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 63% | 19 |
| July 2025 | 73% | 30 |
| August 2025 | 65% | 17 |
- Departures on time
- 75%
- Diverted
- 1.5%
- Flights flown
- 67
- Months covered
- 4
Same route, other flights
Keep nerding
Based on 68 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.