Route · MIA → EYW · 2020–2025 BTS data
Miami to Key West
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MIA to EYW (Miami to Key West) ranks #1771 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 85.7%
- On-time
- +6.7 pts
- vs US avg
- 56 min
- Delay when late
- 7,149
- Flights
- #1771 of 4927
- Corpus placement
Cancelled
1.9%
Best Month
Oct 2025 93%
Worst Month
Jun 2024 69%
Distance
126 mi
Carriers
8
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 128 | 19 | 0 | 0 | YX,MQ |
| Nov 2025 | 125 | 17 | 5 | 0 | MQ,YX |
| Oct 2025 | 118 | 8 | 0 | 0 | MQ |
| Sep 2025 | 90 | 11 | 0 | 1 | MQ |
| Aug 2025 | 93 | 21 | 0 | 0 | AA,YX,MQ |
| Jul 2025 | 87 | 13 | 0 | 0 | YX,MQ |
| Jun 2025 | 91 | 12 | 2 | 0 | YX,MQ |
| May 2025 | 124 | 19 | 2 | 0 | MQ |
| Apr 2025 | 119 | 13 | 1 | 0 | MQ |
| Mar 2025 | 121 | 20 | 2 | 1 | YX,MQ |
| Feb 2025 | 113 | 15 | 1 | 0 | YX,MQ |
| Jan 2025 | 127 | 26 | 0 | 1 | YX,MQ |
| Dec 2024 | 122 | 18 | 4 | 1 | MQ,YX |
| Nov 2024 | 122 | 12 | 0 | 0 | MQ,YX |
| Oct 2024 | 108 | 8 | 3 | 0 | MQ |
| Sep 2024 | 147 | 13 | 8 | 0 | MQ |
| Aug 2024 | 119 | 20 | 7 | 0 | MQ |
| Jul 2024 | 93 | 17 | 1 | 0 | MQ |
| Jun 2024 | 90 | 28 | 8 | 0 | MQ,YX |
| May 2024 | 93 | 25 | 0 | 0 | MQ,YX |
| Apr 2024 | 89 | 10 | 0 | 0 | MQ,YX |
| Mar 2024 | 89 | 24 | 3 | 0 | MQ,YX |
| Feb 2024 | 85 | 13 | 0 | 0 | MQ,YX |
| Jan 2024 | 93 | 26 | 2 | 0 | MQ |
MIA–EYW seasonal on-time pattern
Best: October (93.6%) · weakest: June (77.4%)
Strongest calendar month
October
93.6% on-time · ~86 flights/mo
Busiest calendar month
May
~116 flights/mo avg
Weakest calendar month
June
77.4% on-time · ~93 flights/mo
Cancellation Rate
1.9%
49 of 2,586 flights
Diversion Rate
0.2%
4 of 2,586 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
MIA - Miami
Full on-time, delay-cause, and seasonal performance for Miami, FL.
MIA on-time profileEYW - Key West
Full on-time, delay-cause, and seasonal performance for Key West, FL.
EYW on-time profileCompare the two airports
See MIA and EYW side by side on delays, cancellations, and reliability.
Compare MIA vs EYWOrigin-hub reliability standing
Among MIA's stronger departures
MIA → EYW posts a 85.7% on-time rate, landing in the ≥85% band with 1 of 63 BTS-tracked routes leaving Miami. The same hub also shows 37 mid-band and 25 challenged departures · fleet-wide on-time rank #994 of 4927 (highest on-time = #1).
Similar routes
Other BTS-tracked routes with comparable performance or trip length to MIA–EYW.
Routes with a similar on-time rate
What the Data Says About MIA to EYW
Miami to Key West (MIA to EYW) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85.7% on-time rate across 7,149 flights, with delays that do happen averaging 56.0 minutes. The corridor runs roughly 126 miles and is served by 8 carriers. Over the most recent 24 months, 49 of 2,586 flights were cancelled (1.9%) and 4 diverted (0.2%).
The monthly split is wide on this route: Oct 2025 posted the strongest performance at 93% on-time, while Jun 2024 came in at just 69% - a 24-point swing worth factoring into travel timing.
On the multi-year calendar, MIA–EYW peaks in October at 93.6% on-time while May carries the heaviest traffic (~116 flights per month) ; the softest month is June at 77.4%, a 16.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does MIA to EYW rank among US routes by traffic? ▼
How often are flights delayed from MIA to EYW? ▼
What is the cancellation rate for MIA to EYW? ▼
How far is the flight from MIA to EYW? ▼
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Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using MIA–EYW data
MIA–EYW runs 6.7 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare MIA and EYW airport profiles: delay causes and top routes differ even on the same corridor. MIA airport
- If your dates flex, October (93.6% on-time) beats June (77.4%) on this corridor. Seasonal chart
- 4 other routes post a similar 85.7% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.