Route
DEN → CMH
Denver International Airport John Glenn Columbus International Airport
How punctual is this route?
- On-time arrivals
- 72.9%
- Less than 15 minutes late
- Cancelled
- 0.7%
- Of scheduled flights
- Average delay when late
- 63 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,776
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 53%
- Airline (crew, maintenance, cleaning) 32%
- Air traffic control & airport 14%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 71.9% | 146 |
| October 2025 | 83.6% | 166 |
| November 2025 | 85.0% | 142 |
| December 2025 | 73.0% | 141 |
| January 2026 | 84.8% | 131 |
| February 2026 | 82.9% | 126 |
| March 2026 | 71.5% | 147 |
| April 2026 | 73.8% | 149 |
| May 2026 | 64.5% | 152 |
| June 2026 | 63.1% | 157 |
| July 2026 | 69.9% | 164 |
| August 2026 | 55.6% | 155 |
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 | 923 | 63.9% | 0.9% | 57 min |
| United Airlines | 728 | 83.1% | 0.7% | 72 min |
| Frontier Airlines | 125 | 80.8% | 0.0% | 94 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA480
8% late · 257 flights
-
UA1843
28% late · 176 flights
-
UA1969
18% late · 144 flights
-
F91694
19% late · 124 flights
-
UA1460
14% late · 108 flights
-
WN1474
24% late · 60 flights
-
WN1826
36% late · 58 flights
-
WN1828
55% late · 58 flights
-
WN159
16% late · 53 flights
-
WN1509
45% late · 52 flights
-
WN1508
35% late · 43 flights
-
WN1707
56% late · 43 flights
-
WN2025
17% late · 42 flights
-
WN1434
22% late · 41 flights
-
WN1413
44% late · 33 flights
-
WN3424
27% late · 33 flights
-
WN1827
65% late · 31 flights
-
WN2979
42% late · 31 flights
-
WN2994
39% late · 31 flights
-
WN380
42% late · 31 flights
-
WN673
10% late · 31 flights
-
WN1435
20% late · 27 flights
-
WN2455
8% late · 25 flights
-
UA281
27% late · 24 flights
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