Route · TUS → DEN · 2020–2025 BTS data
Tucson to Denver
The TUS–DEN corridor (Tucson, AZ → Denver, CO) runs ahead of the national average, served by 22 carriers across roughly 639 miles.
Data updated 2026-06-13
- 84.4%
- On-time
- +5.4 pts
- vs US avg
- 75 min
- Delay when late
- 13,748
- Flights
Cancelled
0.7%
Best Month
Sep 2024 95%
Worst Month
May 2025 65%
Distance
639 mi
Carriers
22
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 271 | 47 | 1 | 1 | WN,F9,UA,OO |
| Nov 2025 | 264 | 24 | 8 | 0 | OO,UA,F9,WN |
| Oct 2025 | 256 | 34 | 1 | 0 | OO,UA,WN,F9 |
| Sep 2025 | 193 | 34 | 2 | 0 | UA,WN,OO,F9 |
| Aug 2025 | 191 | 51 | 0 | 2 | OO,WN,F9,UA |
| Jul 2025 | 164 | 49 | 2 | 1 | OO,UA,WN,F9 |
| Jun 2025 | 189 | 59 | 4 | 0 | OO,UA,WN,F9 |
| May 2025 | 271 | 95 | 1 | 1 | OO,UA,WN,F9 |
| Apr 2025 | 276 | 72 | 2 | 0 | F9,OO,UA,WN |
| Mar 2025 | 283 | 28 | 0 | 2 | OO,UA,WN,F9 |
| Feb 2025 | 237 | 28 | 0 | 0 | OO,UA,WN |
| Jan 2025 | 254 | 31 | 1 | 0 | OO,UA,WN |
| Dec 2024 | 263 | 23 | 0 | 0 | OO,UA,WN |
| Nov 2024 | 253 | 37 | 3 | 0 | OO,UA,WN |
| Oct 2024 | 237 | 19 | 0 | 1 | UA,OO,WN |
| Sep 2024 | 185 | 9 | 0 | 0 | WN,OO,UA |
| Aug 2024 | 164 | 24 | 0 | 0 | WN,OO,UA |
| Jul 2024 | 155 | 35 | 0 | 1 | OO,WN |
| Jun 2024 | 178 | 46 | 0 | 0 | OO,WN |
| May 2024 | 234 | 51 | 1 | 0 | OO,UA,WN |
| Apr 2024 | 235 | 32 | 0 | 0 | OO,UA,WN |
| Mar 2024 | 210 | 31 | 5 | 0 | OO,UA,WN |
| Feb 2024 | 202 | 45 | 0 | 0 | OO,UA,WN |
| Jan 2024 | 216 | 25 | 6 | 0 | WN,OO,UA |
Cancellation Rate
0.7%
37 of 5,381 flights
Diversion Rate
0.2%
9 of 5,381 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
TUS - Tucson
Full on-time, delay-cause, and seasonal performance for Tucson, AZ.
Origin airport →DEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
Destination airport →Compare the two airports
See TUS and DEN side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to TUS–DEN.
Routes with a similar on-time rate
What the Data Says About TUS to DEN
Bureau of Transportation Statistics records show Tucson to Denver (TUS to DEN) running a 84.4% on-time rate over 13,748 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 75.3 minutes. The 639-mile corridor is served by 22 carriers, and over the last 24 months 0.7% of 5,381 flights were cancelled, 0.2% diverted.
The monthly split is wide on this route: Sep 2024 posted the strongest performance at 95% on-time, while May 2025 came in at just 65% - a 30-point swing worth factoring into travel timing.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.