Flight Reliability
AS 691 · Alaska Airlines
Palm Springs → Seattle (PSP–SEA)
87
Pretty Reliable
WanderNerd Reliability Score
- 85%
- Arrive within 15 minutes
- 3 min early
- Average arrival delay
- 1.5%
- Cancelled
- 12 min early
- Median arrival delay
Based on 196 historical flights. Data through May 2026.
What the data says
The 12–3 PM departure wins.
AS 691 departing between 12–3 PM arrived on time 95% of the time, versus 84% between 3–6 PM.
Monday has been the better bet.
A small edge: 86% on time on Mondays against 82% on Saturdays.
A bit ahead of the Alaska Airlines network.
AS 691 arrived on time 85% of the time, versus 80% across the Alaska Airlines network.
Trending in the right direction.
AS 691 arrived on time 90% of the time over the last three months in the data, compared with 81% in the three months before that.
The breakdown
- Mon86%(29 flights)
- Tue85%(27 flights)
- Wed85%(27 flights)
- Thu86%(28 flights)
- Fri85%(27 flights)
- Sat82%(27 flights)
- Sun86%(28 flights)
- 12–3 PM95%(21 flights)
- 3–6 PM84%(172 flights)
91%
May
Nov 90% → May 91% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 90% | 30 |
| December 2025 | 65% | 31 |
| January 2026 | 86% | 29 |
| February 2026 | 93% | 28 |
| March 2026 | 86% | 29 |
| April 2026 | 93% | 29 |
| May 2026 | 91% | 11 |
- Departures on time
- 85%
- Diverted
- 0%
- Flights flown
- 193
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 196 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.