Flight Reliability
AS 415 · Alaska Airlines
Dallas–Fort Worth → Seattle (DFW–SEA)
76
Usually Fine
WanderNerd Reliability Score
- 77%
- Arrive within 15 minutes
- 8 min
- Average arrival delay
- 2.3%
- Cancelled
- 2 min early
- Median arrival delay
Based on 350 historical flights. Data through May 2026.
What the data says
The 12–3 PM departure wins.
AS 415 departing between 12–3 PM arrived on time 83% of the time, versus 64% between 6–9 PM.
Skip Thursday if you can.
AS 415 arrived on time 83% of the time on Saturdays. On Thursdays: 72%.
A bit ahead of the DFW–SEA route.
AS 415 arrived on time 77% of the time, versus 70% across the DFW–SEA route.
A bit behind the Alaska Airlines network.
AS 415 arrived on time 77% of the time, versus 80% across the Alaska Airlines network.
The breakdown
- Mon77%(51 flights)
- Tue78%(50 flights)
- Wed82%(51 flights)
- Thu72%(50 flights)
- Fri75%(48 flights)
- Sat83%(42 flights)
- Sun74%(50 flights)
- 12–3 PM83%(52 flights)
- 3–6 PM77%(279 flights)
- 6–9 PM64%(11 flights)
72%
May
Jun 62% → May 72% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 62% | 29 |
| July 2025 | 52% | 31 |
| August 2025 | 64% | 28 |
| September 2025 | 79% | 29 |
| October 2025 | 88% | 25 |
| November 2025 | 85% | 26 |
| December 2025 | 83% | 29 |
| January 2026 | 75% | 28 |
| February 2026 | 89% | 28 |
| March 2026 | 87% | 30 |
| April 2026 | 93% | 30 |
| May 2026 | 72% | 29 |
- Departures on time
- 77%
- Diverted
- 0%
- Flights flown
- 342
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 350 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.