Flight Reliability
AS 98 · Alaska Airlines
Anchorage → Seattle (ANC–SEA)82% of its flights flew this route. The rest (SFO–LAS) are included in these numbers.
94
Nerd Approved
WanderNerd Reliability Score
- 86%
- Arrive within 15 minutes
- 7 min early
- Average arrival delay
- 0%
- Cancelled
- 18 min early
- Median arrival delay
Based on 220 historical flights. Data through May 2026.
What the data says
Thursday is the weak spot.
AS 98 arrived on time 90% of the time on Wednesdays. On Thursdays: 82%.
A bit ahead of the Alaska Airlines network.
AS 98 arrived on time 86% of the time, versus 80% across the Alaska Airlines network.
It basically never cancels.
Out of 220 scheduled flights, only 0.0% were cancelled.
The breakdown
- Mon88%(33 flights)
- Tue83%(30 flights)
- Wed90%(30 flights)
- Thu82%(34 flights)
- Fri88%(33 flights)
- Sat83%(29 flights)
- Sun84%(31 flights)
- 12–3 AM86%(180 flights)
- 6–9 AM—(1 flights)
- 12–3 PM85%(39 flights)
90%
May
Aug 80% → May 90% on time
| Month | On-time percentage | Flights |
|---|---|---|
| August 2025 | 80% | 10 |
| September 2025 | 89% | 26 |
| October 2025 | 82% | 28 |
| November 2025 | 86% | 29 |
| December 2025 | 77% | 31 |
| February 2026 | 94% | 17 |
| March 2026 | 89% | 27 |
| April 2026 | 86% | 14 |
| May 2026 | 90% | 31 |
- Departures on time
- 82%
- Diverted
- 0%
- Flights flown
- 220
- Months covered
- 11
Same route, other flights
Keep nerding
Based on 220 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.