Flight Reliability
AS 414 · Alaska Airlines
Seattle → Dallas–Fort Worth (SEA–DFW)
87
Pretty Reliable
WanderNerd Reliability Score
- 87%
- Arrive within 15 minutes
- 6 min early
- Average arrival delay
- 1.8%
- Cancelled
- 10 min early
- Median arrival delay
Based on 332 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
AS 414 arrived on time 98% of the time on Wednesdays and just 82% on Sundays. That gap is worth planning around.
Better than the SEA–DFW route average.
AS 414 arrived on time 87% of the time, versus 77% across the SEA–DFW route.
Better than the Alaska Airlines network average.
AS 414 arrived on time 87% of the time, versus 80% across the Alaska Airlines network.
The breakdown
- Mon86%(50 flights)
- Tue88%(49 flights)
- Wed98%(48 flights)
- Thu85%(47 flights)
- Fri83%(46 flights)
- Sat90%(40 flights)
- Sun82%(45 flights)
92%
May
Jun 76% → May 92% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 76% | 29 |
| July 2025 | 77% | 30 |
| August 2025 | 79% | 28 |
| September 2025 | 90% | 30 |
| October 2025 | 93% | 29 |
| November 2025 | 96% | 26 |
| December 2025 | 88% | 25 |
| January 2026 | 82% | 28 |
| February 2026 | 96% | 28 |
| March 2026 | 90% | 30 |
| April 2026 | 93% | 30 |
| May 2026 | 92% | 12 |
- Departures on time
- 89%
- Diverted
- 0.3%
- Flights flown
- 325
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 332 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.