Route
GRR → DEN
Gerald R. Ford International Airport Denver International Airport
How punctual is this route?
- On-time arrivals
- 76.1%
- Less than 15 minutes late
- Cancelled
- 0.4%
- Of scheduled flights
- Average delay when late
- 79 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,234
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 34%
- Late-arriving aircraft 30%
- Air traffic control & airport 30%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 86.8% | 114 |
| October 2025 | 90.1% | 111 |
| November 2025 | 88.2% | 102 |
| December 2025 | 66.7% | 102 |
| January 2026 | 57.3% | 97 |
| February 2026 | 77.1% | 84 |
| March 2026 | 78.6% | 70 |
| April 2026 | 83.2% | 95 |
| May 2026 | 78.1% | 106 |
| June 2026 | 66.7% | 114 |
| July 2026 | 73.7% | 118 |
| August 2026 | 66.7% | 121 |
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 |
|---|---|---|---|---|
| United Airlines | 727 | 77.6% | 0.6% | 85 min |
| Southwest Airlines | 359 | 72.5% | 0.3% | 61 min |
| Frontier Airlines | 147 | 77.2% | 0.0% | 110 min |
| SkyWest Airlines | 1 | 100.0% | 0.0% | — |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA2648
22% late · 234 flights
-
UA2745
29% late · 179 flights
-
F91247
20% late · 130 flights
-
UA2093
15% late · 107 flights
-
WN1768
25% late · 53 flights
-
WN1893
44% late · 45 flights
-
WN435
36% late · 42 flights
-
WN1972
7% late · 41 flights
-
UA646
44% late · 36 flights
-
UA1102
22% late · 32 flights
-
UA2471
0% late · 31 flights
-
WN2810
16% late · 31 flights
-
WN2644
3% late · 30 flights
-
UA1658
29% late · 24 flights
-
UA1714
0% late · 23 flights
-
UA1407
14% late · 21 flights
-
UA2645
14% late · 21 flights
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