Flight Reliability
AS 3 · Alaska Airlines
Washington → Seattle (DCA–SEA)
74
Usually Fine
WanderNerd Reliability Score
- 73%
- Arrive within 15 minutes
- 7 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
Sunday scaries are real for this one.
AS 3 arrived on time 84% of the time on Saturdays and just 61% on Sundays. That gap is worth planning around.
Lagging the Alaska Airlines network.
AS 3 arrived on time 73% of the time, versus 80% across the Alaska Airlines network.
Ticking up lately.
AS 3 arrived on time 70% of the time over the last three months in the data, compared with 66% in the three months before that.
The breakdown
- Mon76%(50 flights)
- Tue79%(52 flights)
- Wed65%(52 flights)
- Thu70%(50 flights)
- Fri73%(52 flights)
- Sat84%(51 flights)
- Sun61%(51 flights)
81%
May
Jun 70% → May 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 70% | 30 |
| July 2025 | 54% | 28 |
| August 2025 | 90% | 30 |
| September 2025 | 97% | 30 |
| October 2025 | 74% | 31 |
| November 2025 | 76% | 29 |
| December 2025 | 55% | 31 |
| January 2026 | 87% | 30 |
| February 2026 | 57% | 28 |
| March 2026 | 43% | 30 |
| April 2026 | 87% | 30 |
| May 2026 | 81% | 31 |
- Departures on time
- 76%
- Diverted
- 0.5%
- Flights flown
- 358
- 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.