St. Louis (STL) to Tulsa (TUL): On-Time Performance
Data through July 2026
St. Louis (STL) to Tulsa (TUL) effectively runs on two schedules. In November 2024, 95% of arrivals were on time; in July 2024 that fell to 68% — a 27-point seasonal swing. Across the full period the route averages 83% on-time against a national 78%. Morning departures also hold up better than evening ones (94% vs 73%), which matters most in the rough months.
- On-time
- 83%
- arrived <15 min late
- Avg delay
- 10 min
- completed flights
- Cancelled
- 1.0%
- Flights/day
- 1.1
- last 12 months
- Duration
- 1h 19m
- scheduled
- Distance
- 351 mi
Monthly on-time trend
Best time to fly from STL to TUL
Aim for departures around 10 a.m. (94% on-time); avoid 10 p.m. departures (65%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 83% | 11 min |
| Tuesday | 86% | 8 min |
| Wednesday | 84% | 9 min |
| Thursdaybest | 87% | 8 min |
| Friday | 80% | 12 min |
| Saturday | 84% | 10 min |
| Sunday | 78% | 15 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft67%
- Airline operations25%
- National airspace system6%
- Weather2%
Frequently asked questions
- How often are flights from STL to TUL delayed?
- 17% of STL–TUL flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 10 minutes.
- What is the best time of day to fly from STL to TUL?
- Departures around 10 a.m. have the best record (94% on-time), while departures around 10 p.m. have the worst (65%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from STL to TUL?
- The scheduled STL–TUL flight time averages 1h 19m over 351 miles. Actual arrival times vary — flights on this route land 15+ minutes late 17% of the time.
- How often are STL to TUL flights cancelled?
- 1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from STL to TUL?
- July 2024 was the roughest month in this dataset, with only 68% of arrivals on time. The best was November 2024 at 95%. If your dates are flexible, that 27-point gap is worth planning around.
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Based on 1,145 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.