Flight Reliability
AS 2 · Alaska Airlines
Seattle → Washington (SEA–DCA)
63
A Little Dicey
WanderNerd Reliability Score
- 67%
- Arrive within 15 minutes
- 10 min
- Average arrival delay
- 1.1%
- Cancelled
- 6 min early
- Median arrival delay
Based on 364 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
AS 2 arrived on time 78% of the time on Saturdays and just 58% on Fridays. That gap is worth planning around.
Lagging the SEA–DCA route.
AS 2 arrived on time 67% of the time, versus 81% across the SEA–DCA route.
Lagging the Alaska Airlines network.
AS 2 arrived on time 67% of the time, versus 80% across the Alaska Airlines network.
Trending in the right direction.
AS 2 arrived on time 81% of the time over the last three months in the data, compared with 72% in the three months before that.
The breakdown
- Mon59%(49 flights)
- Tue69%(52 flights)
- Wed64%(52 flights)
- Thu70%(50 flights)
- Fri58%(50 flights)
- Sat78%(50 flights)
- Sun68%(50 flights)
81%
May
Jun 43% → May 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 43% | 28 |
| July 2025 | 39% | 31 |
| August 2025 | 45% | 31 |
| September 2025 | 60% | 30 |
| October 2025 | 87% | 31 |
| November 2025 | 64% | 25 |
| December 2025 | 80% | 30 |
| January 2026 | 68% | 28 |
| February 2026 | 68% | 28 |
| March 2026 | 73% | 30 |
| April 2026 | 90% | 30 |
| May 2026 | 81% | 31 |
- Departures on time
- 68%
- Diverted
- 1.9%
- Flights flown
- 353
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 364 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.