Route
TUL → STL
Tulsa International Airport St. Louis Lambert International Airport
351 miles
Return route STL → TUL →
How punctual is this route?
- On-time arrivals
- 92.1%
- Less than 15 minutes late
- Cancelled
- 1.4%
- Of scheduled flights
- Average delay when late
- 49 min
- Flights arriving 15+ minutes late
- Flights tracked
- 347
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 82%
- Airline (crew, maintenance, cleaning) 11%
- Air traffic control & airport 7%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Mar 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 89.3% | 56 |
| October 2025 | 94.7% | 57 |
| November 2025 | 90.9% | 56 |
| December 2025 | 91.7% | 60 |
| January 2026 | 90.7% | 58 |
| February 2026 | 94.2% | 52 |
| March 2026 | 100.0% | 8 |
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
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Southwest Airlines | 347 | 92.1% | 1.4% | 49 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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