Route
MIA → EYW
Miami International Airport Key West International Airport
How punctual is this route?
- On-time arrivals
- 86.8%
- Less than 15 minutes late
- Cancelled
- 0.4%
- Of scheduled flights
- Average delay when late
- 57 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,274
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 39%
- Air traffic control & airport 25%
- Airline (crew, maintenance, cleaning) 19%
- Extreme weather 16%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 87.6% | 90 |
| October 2025 | 93.2% | 118 |
| November 2025 | 85.8% | 125 |
| December 2025 | 85.2% | 128 |
| January 2026 | 83.0% | 150 |
| February 2026 | 75.2% | 105 |
| March 2026 | 83.8% | 74 |
| April 2026 | 92.1% | 89 |
| May 2026 | 93.8% | 96 |
| June 2026 | 93.3% | 89 |
| July 2026 | 85.9% | 93 |
| August 2026 | 85.5% | 117 |
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 |
|---|---|---|---|---|
| Envoy Air | 1,179 | 88.3% | 0.4% | 55 min |
| Republic Airways | 70 | 65.2% | 0.0% | 60 min |
| American Airlines | 25 | 76.0% | 0.0% | 77 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
MQ4223
18% late · 155 flights
-
MQ3781
15% late · 122 flights
-
MQ4044
9% late · 116 flights
-
MQ3515
4% late · 89 flights
-
MQ3577
8% late · 84 flights
-
MQ4051
23% late · 83 flights
-
MQ3517
16% late · 75 flights
-
MQ3518
11% late · 65 flights
-
MQ3581
2% late · 44 flights
-
MQ3719
5% late · 44 flights
-
MQ3580
8% late · 38 flights
-
MQ3988
3% late · 36 flights
-
MQ4246
9% late · 35 flights
-
MQ4302
17% late · 35 flights
-
MQ3593
10% late · 30 flights
-
MQ3438
22% late · 27 flights
-
MQ3895
7% late · 27 flights
-
MQ3689
8% late · 26 flights
-
MQ3436
4% late · 23 flights
-
AA2390
25% late · 20 flights
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