Route Reliability
Houston → Seattle
HOU–SEA · 1,894 miles · William P. Hobby Airport to Seattle–Tacoma International Airport
- 69%
- Arrive within 15 minutes
- 16 min
- Average arrival delay
- 0%
- Cancelled
- 119
- Flights in the data
Data through May 2026.
Southwest Airlines is the only airline in this data on this route, arriving on time 69% of the time across 119 flights. No comparison to make.
What the data says
Morning flights do better here.
HOU–SEA flights departing between 9 AM–12 PM arrived on time 90% of the time, versus 61% between 12–3 PM.
Thursdays have been rough.
HOU–SEA flights arrived on time 77% of the time on Tuesdays and just 59% on Thursdays. That gap is worth planning around.
It basically never cancels.
Out of 119 scheduled flights, only 0.0% were cancelled.
Flights on this route
The breakdown
- Mon65%(17 flights)
- Tue77%(17 flights)
- Wed59%(17 flights)
- Thu59%(17 flights)
- Fri77%(17 flights)
- Sat71%(17 flights)
- Sun77%(17 flights)
- 9 AM–12 PM90%(19 flights)
- 12–3 PM61%(75 flights)
- 6–9 PM76%(25 flights)
Jun 54% → Sep 83% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 54% | 26 |
| July 2025 | 58% | 31 |
| August 2025 | 77% | 31 |
| September 2025 | 83% | 30 |
Same trip, other airports
Keep nerding
Based on 119 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.