Flight AS438
Alaska Airlines flight AS438
Looking for AS438 in the air…
Seattle (SEA) to Houston (IAH)
Historically, this flight arrives 15+ minutes late 29% of the time, and when it is late the delay averages 50 minutes. It was cancelled 0.3% of the time.
- On-time arrivals
- 70.6%
- Less than 15 minutes late
- Cancelled
- 0.3%
- Of scheduled flights
- Average delay when late
- 50 min
- Flights arriving 15+ minutes late
- Flights tracked
- 363
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 43%
- Airline (crew, maintenance, cleaning) 36%
- Late-arriving aircraft 17%
- Extreme weather 3%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 80.0% | 30 |
| October 2025 | 58.1% | 31 |
| November 2025 | 62.1% | 29 |
| December 2025 | 41.9% | 31 |
| January 2026 | 67.7% | 31 |
| February 2026 | 85.2% | 27 |
| March 2026 | 83.3% | 31 |
| April 2026 | 86.7% | 30 |
| May 2026 | 77.4% | 31 |
| June 2026 | 65.5% | 30 |
| July 2026 | 67.7% | 31 |
| August 2026 | 73.3% | 31 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data