Flight Reliability
AS 51 · Alaska Airlines
Anchorage → BRW (ANC–BRW)
69
Usually Fine
WanderNerd Reliability Score
- 74%
- Arrive within 15 minutes
- 12 min
- Average arrival delay
- 2.3%
- Cancelled
- 2 min early
- Median arrival delay
Based on 348 historical flights. Data through May 2026.
What the data says
Skip Monday if you can.
AS 51 arrived on time 78% of the time on Sundays. On Mondays: 66%.
A bit behind the Alaska Airlines network.
AS 51 arrived on time 74% of the time, versus 80% across the Alaska Airlines network.
Trending in the right direction.
AS 51 arrived on time 84% of the time over the last three months in the data, compared with 63% in the three months before that.
The breakdown
- Mon66%(50 flights)
- Tue72%(50 flights)
- Wed74%(46 flights)
- Thu74%(49 flights)
- Fri77%(47 flights)
- Sat76%(50 flights)
- Sun78%(46 flights)
93%
May
Jun 73% → May 93% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 73% | 30 |
| July 2025 | 71% | 31 |
| August 2025 | 61% | 28 |
| September 2025 | 87% | 30 |
| October 2025 | 70% | 27 |
| November 2025 | 80% | 20 |
| December 2025 | 54% | 24 |
| January 2026 | 53% | 30 |
| February 2026 | 82% | 27 |
| March 2026 | 81% | 31 |
| April 2026 | 77% | 30 |
| May 2026 | 93% | 30 |
- Departures on time
- 72%
- Diverted
- 0.6%
- Flights flown
- 338
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 348 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.