EYW to MIA flight delays & on-time performance
Nonstop flights from Key West International Airport to Miami International Airport · 126 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at EYW or MIA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Key West (EYW) to Miami (MIA) arrived on time 81% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.4% were cancelled, and 6% arrived an hour or more late.
- Envoy Air was the most punctual airline here (82% on time); Republic Airways was the least (62%).
- Departures scheduled around 6am did best (95% on time); around 4pm did worst (59%).
- Wednesday was the most reliable day to fly (89% on time) and Saturday the least (69%).
- The largest source of delay minutes was late-arriving aircraft (61%).
Which airline is most on time from EYW to MIA?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Envoy AirRegional airline operating American Eagle flights. | 82% | 0.4% | 13 min | 5.2% | 1,156 |
| American Airlines | 76% | 0.0% | 21 min | 8.0% | 25 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 62% | 0.0% | 27 min | 15.9% | 69 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am95%80 flights
- 7am100%27 flights
- 11am89%238 flights
- 12pm91%67 flights
- 1pm75%287 flights
- 3pm76%91 flights
- 4pm59%112 flights
- 5pm87%31 flights
- 7pm81%286 flights
- 8pm80%30 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday80%0.0% cancelled
- Tuesday85%0.0% cancelled
- Wednesday89%0.6% cancelled
- Thursday87%0.6% cancelled
- Friday81%1.1% cancelled
- Saturday69%0.5% cancelled
- Sunday78%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft61%
- Airline (crew, maintenance, cleaning, fueling)22%
- Air traffic control & airport congestion12%
- Extreme weather5%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Air traffic control & airport congestion100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Extreme weather0%
- Security0%
EYW to MIA: common questions
- How often are EYW to MIA flights on time?
- 81% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Key West to Miami cancelled?
- 0.4% of scheduled flights were cancelled (5 of 1,250).
- How long are typical delays?
- Across all flights the average arrival delay was 14 min (early arrivals count as zero). Flights that were late arrived 69 min behind schedule on average, and 5.9% of flights were an hour or more late.
- How long is taxi time at EYW?
- Flights on this route spent 14 min taxiing from the gate to takeoff on average.
Related routes
Return trip: MIA to EYW — 86% on time
More flights from Key West
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: EYW → MIA, nonstop flights by US airlines that report to the DOT. How we calculate this.