Route Reliability
Seattle → Tulsa
SEA–TUL · 1,558 miles · Seattle–Tacoma International Airport to Tulsa International Airport
95
Nerd Approved
WanderNerd Reliability Score
- 87%
- Arrive within 15 minutes
- 5 min early
- Average arrival delay
- 0%
- Cancelled
- 75
- Flights in the data
Data through May 2026.
Alaska Airlines is the only airline in this data on this route, arriving on time 87% of the time across 75 flights. No comparison to make.
What the data says
Mornings have a slight edge.
Departures between 6–9 AM arrived on time 91% of the time, against 85% between 9 AM–12 PM.
Sunday scaries are real for this one.
SEA–TUL flights arrived on time 100% of the time on Mondays and just 73% on Sundays. That gap is worth planning around.
Flights on this route
The breakdown
- Mon100%(10 flights)
- Tue80%(10 flights)
- Wed73%(11 flights)
- Thu91%(11 flights)
- Fri91%(11 flights)
- Sat100%(11 flights)
- Sun73%(11 flights)
- 6–9 AM91%(21 flights)
- 9 AM–12 PM85%(54 flights)
81%
May
Mar 93% → May 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| March 2026 | 93% | 14 |
| April 2026 | 90% | 30 |
| May 2026 | 81% | 31 |
Keep nerding
Based on 75 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.