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Route · DEN → TUS · 2020–2025 BTS data

Denver to Tucson

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), DEN to TUS (Denver to Tucson) ranks #726 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

77.6%
On-time
-1.4 pts
vs US avg
63 min
Delay when late
13,698
Flights
#726 of 4927
Corpus placement

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

DEN–TUS seasonal on-time pattern

Best: November (83.4%) · weakest: July (69.4%)

65%70%75%80%85% JanFebMarAprMayJunJulAugSepOctNovDec 78.3%

Strongest calendar month

November

83.4% on-time · ~208 flights/mo

Busiest calendar month

March

~213 flights/mo avg

Weakest calendar month

July

69.4% on-time · ~161 flights/mo

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.

DEN on-time profile

TUS - Tucson

Full on-time, delay-cause, and seasonal performance for Tucson, AZ.

TUS on-time profile

Compare the two airports

See DEN and TUS side by side on delays, cancellations, and reliability.

Compare DEN vs TUS

Origin-hub reliability standing

Mid-pack among DEN departures

From DEN, this corridor sits with 133 other 75–85% on-time routes out of 168 tracked departures, not the hub's reliability leaders (8 at ≥85%) and not the softest ( 27 below 75%). Destination: Tucson · fleet on-time rank #3939 of 4927.

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.

On the multi-year calendar, DEN–TUS peaks in November at 83.4% on-time while March carries the heaviest traffic (~213 flights per month) ; the softest month is July at 69.4%, a 14.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does DEN to TUS rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, DEN to TUS ranks #726 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from DEN to TUS? ▼
Flights from Denver to Tucson have a 77.6% on-time rate based on 13,698 flights. The average delay is 63.3 minutes. The best recent month was Nov 2025 with 89% on-time.
What is the cancellation rate for DEN to TUS? ▼
Over the last 24 months, 0.5% of flights on this route were cancelled (28 of 5,383 flights) and 0.1% were diverted.
How far is the flight from DEN to TUS? ▼
The flight distance from Denver (DEN) to Tucson (TUS) is approximately 639 miles. This route is served by 22 carriers.
When is the best time to fly from DEN to TUS? ▼
The best recent month for on-time performance was Nov 2025 (89% on-time). The worst was Jun 2025 (61% on-time). Consider booking during months with historically better performance.

Airports on this route

DEN Airport

Denver
TUS Airport

Tucson
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.

Using DEN–TUS data

DEN–TUS is mid-pack at 77.6% on-time; month and carrier mix move more than the corridor headline.

  • Compare DEN and TUS airport profiles: delay causes and top routes differ even on the same corridor. DEN airport
  • If your dates flex, November (83.4% on-time) beats July (69.4%) on this corridor. Seasonal chart
  • 4 other routes post a similar 77.6% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

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.