Route Reliability
Seattle → Houston
SEA–HOU · 1,894 miles · Seattle–Tacoma International Airport to William P. Hobby Airport
79
Usually Fine
WanderNerd Reliability Score
- 72%
- Arrive within 15 minutes
- 13 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 72% of the time across 119 flights. No comparison to make.
What the data says
Friday is doing you no favors.
SEA–HOU flights arrived on time 82% of the time on Tuesdays and just 59% on Fridays. 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
- Mon77%(17 flights)
- Tue82%(17 flights)
- Wed71%(17 flights)
- Thu71%(17 flights)
- Fri59%(17 flights)
- Sat82%(17 flights)
- Sun65%(17 flights)
93%
Sep
Jun 54% → Sep 93% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 54% | 26 |
| July 2025 | 71% | 31 |
| August 2025 | 68% | 31 |
| September 2025 | 93% | 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.