Route
DEN → TUS
Denver International Airport Tucson International Airport
How punctual is this route?
- On-time arrivals
- 76.9%
- Less than 15 minutes late
- Cancelled
- 0.4%
- Of scheduled flights
- Average delay when late
- 61 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,708
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 52%
- Airline (crew, maintenance, cleaning) 34%
- Air traffic control & airport 13%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 77.2% | 194 |
| October 2025 | 79.0% | 257 |
| November 2025 | 89.1% | 264 |
| December 2025 | 73.3% | 270 |
| January 2026 | 78.8% | 255 |
| February 2026 | 80.1% | 246 |
| March 2026 | 79.9% | 275 |
| April 2026 | 81.9% | 260 |
| May 2026 | 72.4% | 232 |
| June 2026 | 61.4% | 147 |
| July 2026 | 64.0% | 138 |
| August 2026 | 70.7% | 170 |
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 | 1,184 | 71.1% | 0.4% | 57 min |
| United Airlines | 923 | 78.7% | 0.2% | 68 min |
| SkyWest Airlines | 524 | 86.6% | 0.4% | 62 min |
| Frontier Airlines | 77 | 78.9% | 1.3% | 55 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA1762
34% late · 341 flights
-
OO5651
13% late · 207 flights
-
UA2742
11% late · 127 flights
-
UA1188
12% late · 103 flights
-
OO5686
11% late · 97 flights
-
F92613
21% late · 77 flights
-
OO4637
13% late · 69 flights
-
WN4313
50% late · 61 flights
-
OO5385
13% late · 60 flights
-
WN2122
41% late · 58 flights
-
WN4281
32% late · 57 flights
-
UA1204
15% late · 53 flights
-
UA1476
12% late · 52 flights
-
WN446
4% late · 47 flights
-
WN1853
18% late · 46 flights
-
WN2979
25% late · 44 flights
-
WN1761
24% late · 42 flights
-
WN2248
24% late · 42 flights
-
WN4872
8% late · 39 flights
-
UA351
24% late · 37 flights
-
OO5716
17% late · 36 flights
-
WN2691
19% late · 34 flights
-
WN2842
33% late · 33 flights
-
UA1584
12% late · 32 flights
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