Route · EYW → BOS · 2020–2025 BTS data
Key West to Boston
The EYW–BOS corridor (Key West, FL → Boston, MA) runs behind the national average, served by 4 carriers across roughly 1,373 miles.
Data updated 2026-06-13
- 75.2%
- On-time
- -3.8 pts
- vs US avg
- 99 min
- Delay when late
- 666
- Flights
Cancelled
2.1%
Best Month
N/A
Worst Month
N/A
Distance
1,373 mi
Carriers
4
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 39 | 12 | 0 | 0 | YX,B6 |
| Apr 2025 | 30 | 7 | 0 | 2 | YX,B6 |
| Mar 2025 | 36 | 10 | 0 | 6 | B6,YX |
| Feb 2025 | 32 | 11 | 2 | 0 | B6,YX |
| Jan 2025 | 30 | 7 | 0 | 2 | B6,YX |
| Dec 2024 | 34 | 16 | 1 | 1 | B6,YX |
| Apr 2024 | 30 | 5 | 1 | 3 | B6 |
| Mar 2024 | 30 | 7 | 0 | 6 | B6 |
| Feb 2024 | 31 | 12 | 2 | 1 | B6,YX |
| Jan 2024 | 32 | 8 | 0 | 5 | B6,MQ |
| Apr 2023 | 30 | 10 | 0 | 4 | B6 |
| Mar 2023 | 31 | 6 | 0 | 4 | B6 |
| Apr 2022 | 30 | 14 | 4 | 3 | B6 |
| Mar 2022 | 31 | 7 | 0 | 2 | B6 |
| Oct 2021 | 31 | 6 | 0 | 2 | B6 |
| Sep 2021 | 30 | 5 | 1 | 1 | B6 |
| Aug 2021 | 31 | 2 | 0 | 0 | B6 |
| Jul 2021 | 31 | 8 | 1 | 0 | B6 |
| Jun 2021 | 30 | 3 | 0 | 1 | B6 |
| Apr 2021 | 34 | 5 | 2 | 1 | B6 |
| Mar 2021 | 33 | 4 | 0 | 0 | YX,B6 |
Cancellation Rate
2.1%
14 of 666 flights
Diversion Rate
6.6%
44 of 666 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
EYW - Key West
Full on-time, delay-cause, and seasonal performance for Key West, FL.
Origin airport →BOS - Boston
Full on-time, delay-cause, and seasonal performance for Boston, MA.
Destination airport →Compare the two airports
See EYW and BOS side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to EYW–BOS.
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What the Data Says About EYW to BOS
The Key West to Boston corridor (EYW to BOS) posts a 75.2% on-time rate on the lower edge of the average band, based on 666 tracked flights. Late flights run 99.0 minutes behind on average. 4 carriers cover the 1,373-mile route; over the last 24 months, 14 of 666 flights were cancelled (2.1%) and 6.6% diverted.
Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.
Frequently Asked Questions
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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.
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.