Route · DEN → TUS · 2020–2025 BTS data
Denver to Tucson
The DEN–TUS corridor (Denver, CO → Tucson, AZ) runs behind the national average, served by 22 carriers across roughly 639 miles.
Data updated 2026-06-13
- 77.6%
- On-time
- -1.4 pts
- vs US avg
- 63 min
- Delay when late
- 13,698
- Flights
Cancelled
0.5%
Best Month
Nov 2025 89%
Worst Month
Jun 2025 61%
Distance
639 mi
Carriers
22
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 270 | 72 | 0 | 0 | WN,F9,UA,OO |
| Nov 2025 | 264 | 28 | 6 | 0 | OO,UA,F9,WN |
| Oct 2025 | 257 | 54 | 0 | 0 | OO,UA,WN,F9 |
| Sep 2025 | 194 | 44 | 1 | 0 | UA,WN,OO,F9 |
| Aug 2025 | 191 | 44 | 0 | 0 | OO,WN,F9,UA |
| Jul 2025 | 164 | 60 | 3 | 1 | OO,UA,WN,F9 |
| Jun 2025 | 189 | 73 | 1 | 0 | OO,UA,WN,F9 |
| May 2025 | 270 | 56 | 1 | 0 | OO,UA,WN,F9 |
| Apr 2025 | 276 | 58 | 0 | 1 | F9,OO,UA,WN |
| Mar 2025 | 284 | 47 | 0 | 0 | OO,UA,WN,F9 |
| Feb 2025 | 237 | 49 | 0 | 0 | OO,UA,WN |
| Jan 2025 | 254 | 63 | 0 | 0 | OO,UA,WN |
| Dec 2024 | 262 | 33 | 0 | 0 | OO,UA,WN |
| Nov 2024 | 252 | 56 | 4 | 0 | OO,UA,WN |
| Oct 2024 | 237 | 36 | 0 | 0 | UA,OO,WN |
| Sep 2024 | 185 | 26 | 0 | 0 | WN,OO,UA |
| Aug 2024 | 167 | 48 | 0 | 1 | WN,OO,UA |
| Jul 2024 | 155 | 36 | 0 | 3 | OO,WN |
| Jun 2024 | 178 | 48 | 0 | 0 | OO,WN |
| May 2024 | 233 | 74 | 1 | 0 | OO,UA,WN |
| Apr 2024 | 235 | 53 | 0 | 0 | OO,UA,WN |
| Mar 2024 | 210 | 65 | 5 | 0 | OO,UA,WN |
| Feb 2024 | 202 | 66 | 0 | 1 | OO,UA,WN |
| Jan 2024 | 217 | 54 | 6 | 0 | WN,OO,UA |
Cancellation Rate
0.5%
28 of 5,383 flights
Diversion Rate
0.1%
7 of 5,383 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
DEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
Origin airport →TUS - Tucson
Full on-time, delay-cause, and seasonal performance for Tucson, AZ.
Destination airport →Compare the two airports
See DEN and TUS side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to DEN–TUS.
Routes with a similar on-time rate
What the Data Says About DEN to TUS
The Denver to Tucson corridor (DEN to TUS) posts a 77.6% on-time rate on the lower edge of the average band, based on 13,698 tracked flights. Late flights run 63.3 minutes behind on average. 22 carriers cover the 639-mile route; over the last 24 months, 28 of 5,383 flights were cancelled (0.5%) and 0.1% diverted.
The monthly split is wide on this route: Nov 2025 posted the strongest performance at 89% on-time, while Jun 2025 came in at just 61% - a 28-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.