Route Reliability
Denver → Tulsa
DEN–TUL · 541 miles · Denver International Airport to Tulsa International Airport
- 76%
- Arrive within 15 minutes
- 9 min
- Average arrival delay
- 0.9%
- Cancelled
- 2,414
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.United Airlines83%1,475 flights
- 2.Southwest Airlines66%896 flights
Not enough history to rank: Frontier Airlines (43 flights). We rank airlines only after 100 flights on the route.
What the data says
Morning-you made the right choice.
DEN–TUL flights departing between 6–9 AM arrived on time 100% of the time, versus 68% between 3–6 PM.
Skip Thursday if you can.
DEN–TUL flights arrived on time 81% of the time on Saturdays. On Thursdays: 73%.
United Airlines has a clear lead on this route.
United Airlines arrived on time 83% of the time on this route; Southwest Airlines managed 66%.
Slipping a little lately.
DEN–TUL flights arrived on time 79% of the time over the last three months in the data, compared with 82% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon78%(347 flights)
- Tue78%(323 flights)
- Wed78%(321 flights)
- Thu73%(358 flights)
- Fri73%(342 flights)
- Sat81%(314 flights)
- Sun75%(384 flights)
- 12–3 AM—(2 flights)
- 6–9 AM100%(17 flights)
- 9 AM–12 PM85%(648 flights)
- 12–3 PM87%(434 flights)
- 3–6 PM68%(532 flights)
- 6–9 PM69%(750 flights)
- 9 PM–12 AM—(6 flights)
Jun 63% → May 75% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 63% | 204 |
| July 2025 | 59% | 215 |
| August 2025 | 68% | 204 |
| September 2025 | 78% | 197 |
| October 2025 | 82% | 204 |
| November 2025 | 85% | 199 |
| December 2025 | 76% | 202 |
| January 2026 | 87% | 187 |
| February 2026 | 85% | 182 |
| March 2026 | 80% | 197 |
| April 2026 | 84% | 188 |
| May 2026 | 75% | 210 |
Keep nerding
Based on 2,414 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.