Flight Reliability
AS 47 · Alaska Airlines
Anchorage → Seattle (ANC–SEA)
87
Pretty Reliable
WanderNerd Reliability Score
- 80%
- Arrive within 15 minutes
- 0 min
- Average arrival delay
- 0%
- Cancelled
- 7 min early
- Median arrival delay
Based on 331 historical flights. Data through May 2026.
What the data says
Mornings have a slight edge.
Departures between 12–3 AM arrived on time 82% of the time, against 79% between 6–9 AM.
Wednesday is the weak spot.
AS 47 arrived on time 85% of the time on Mondays. On Wednesdays: 74%.
A bit behind the ANC–SEA route.
AS 47 arrived on time 80% of the time, versus 85% across the ANC–SEA route.
It basically never cancels.
Out of 331 scheduled flights, only 0.0% were cancelled.
The breakdown
- Mon85%(47 flights)
- Tue83%(48 flights)
- Wed74%(46 flights)
- Thu77%(48 flights)
- Fri79%(48 flights)
- Sat76%(45 flights)
- Sun83%(48 flights)
- 12–3 AM82%(34 flights)
- 6–9 AM79%(296 flights)
92%
May
Jun 79% → May 92% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 79% | 19 |
| July 2025 | 87% | 31 |
| August 2025 | 84% | 31 |
| September 2025 | 70% | 30 |
| October 2025 | 90% | 31 |
| November 2025 | 78% | 27 |
| December 2025 | 87% | 30 |
| January 2026 | 61% | 31 |
| February 2026 | 82% | 28 |
| March 2026 | 63% | 30 |
| April 2026 | 90% | 30 |
| May 2026 | 92% | 12 |
- Departures on time
- 86%
- Diverted
- 0.3%
- Flights flown
- 330
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 331 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.