Route
MIA → DEN
Miami International Airport Denver International Airport
How punctual is this route?
- On-time arrivals
- 76.8%
- Less than 15 minutes late
- Cancelled
- 0.5%
- Of scheduled flights
- Average delay when late
- 70 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,444
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 42%
- Airline (crew, maintenance, cleaning) 30%
- Air traffic control & airport 23%
- Extreme weather 4%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 77.8% | 158 |
| October 2025 | 79.5% | 172 |
| November 2025 | 79.4% | 204 |
| December 2025 | 74.6% | 241 |
| January 2026 | 78.0% | 253 |
| February 2026 | 83.6% | 238 |
| March 2026 | 73.3% | 281 |
| April 2026 | 82.8% | 195 |
| May 2026 | 79.9% | 180 |
| June 2026 | 69.7% | 179 |
| July 2026 | 70.8% | 185 |
| August 2026 | 70.1% | 158 |
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 |
|---|---|---|---|---|
| American Airlines | 889 | 76.1% | 0.9% | 62 min |
| United Airlines | 877 | 83.0% | 0.1% | 78 min |
| Frontier Airlines | 355 | 83.2% | 0.8% | 95 min |
| Southwest Airlines | 323 | 54.5% | 0.0% | 64 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
F91279
15% late · 339 flights
-
UA2852
23% late · 237 flights
-
AA1629
26% late · 182 flights
-
UA2045
9% late · 159 flights
-
AA2012
29% late · 154 flights
-
AA1739
9% late · 80 flights
-
AA1639
33% late · 79 flights
-
AA1737
35% late · 76 flights
-
WN3807
46% late · 64 flights
-
WN2926
78% late · 60 flights
-
UA720
35% late · 52 flights
-
AA1747
27% late · 46 flights
-
UA2246
14% late · 42 flights
-
WN1412
49% late · 40 flights
-
AA2373
20% late · 37 flights
-
UA1358
27% late · 37 flights
-
UA1784
5% late · 37 flights
-
UA586
8% late · 36 flights
-
AA1754
15% late · 33 flights
-
UA594
12% late · 33 flights
-
AA2767
16% late · 31 flights
-
UA318
6% late · 31 flights
-
UA464
16% late · 31 flights
-
AA1219
20% late · 30 flights
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