PlainFlights

Boston to Key West

Boston, MA → Key West, FL

Total Flights

667

On-Time Rate

79%

Avg Delay

68.2 min

Distance

1,373 mi

Carriers

4

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 39 14 0 0 YX,B6
Apr 2025 30 3 0 0 YX,B6
Mar 2025 36 5 0 1 B6,YX
Feb 2025 32 13 2 0 B6,YX
Jan 2025 30 11 0 0 B6,YX
Dec 2024 34 17 1 0 B6,YX
Apr 2024 30 5 1 0 B6
Mar 2024 31 7 0 2 B6
Feb 2024 31 8 1 2 B6,YX
Jan 2024 32 10 0 0 B6,MQ
Apr 2023 30 7 0 0 B6
Mar 2023 31 4 0 0 B6
Apr 2022 30 8 5 1 B6
Mar 2022 31 8 0 0 B6
Oct 2021 31 2 0 0 B6
Sep 2021 30 4 1 0 B6
Aug 2021 31 0 0 0 B6
Jul 2021 31 5 1 0 B6
Jun 2021 30 1 0 0 B6
Apr 2021 34 4 1 0 B6
Mar 2021 33 4 0 0 YX,B6

Cancellation Rate

1.9%

13 of 667 flights

Diversion Rate

0.9%

6 of 667 flights

What the Data Says About BOS to EYW

The Boston to Key West corridor (BOS → EYW) covers roughly 1,373 miles and is served by 4 carriers, based on Bureau of Transportation Statistics reporting. Across 667 flights in the dataset, this route posts a 79% on-time rate with an average delay of 68.2 minutes when flights run late. Over the most recent 24 months of BTS data, 667 flights were recorded on this pairing — 13 cancelled (1.9%) and 6 diverted (0.9%). Those baseline metrics tell you what to expect before you book.

Having 4 carriers on the route matters: more carriers generally means more daily schedule options, competitive pricing, and redundancy when flights are cancelled. With 667 total flights analyzed, the 79% on-time figure is statistically meaningful rather than a small-sample fluke. The 68.2-minute average delay applies only to flights that actually ran late, so it is not the average wait across all departures — the majority of flights on this route depart on time under the BTS definition of a delay (15+ minutes past schedule).

Monthly performance varies, so review the monthly table above to see specific periods. For travelers evaluating the BOS to EYW route, the combination of a 79% on-time rate, 68.2-minute average delay, 1.9% recent cancellation rate, and 4 available carriers is the concrete summary of what BTS data shows about reliability on this pairing.

Frequently Asked Questions

How often are flights delayed from BOS to EYW?
Flights from Boston to Key West have a 79% on-time rate based on 667 flights. The average delay is 68.2 minutes.
What is the cancellation rate for BOS to EYW?
Over the last 24 months, 1.9% of flights on this route were cancelled (13 of 667 flights) and 0.9% were diverted.
How far is the flight from BOS to EYW?
The flight distance from Boston (BOS) to Key West (EYW) is approximately 1,373 miles. This route is served by 4 carriers.
How many airlines fly from BOS to EYW?
The Boston to Key West route is served by 4 carriers. More carriers generally means more schedule options and competitive pricing.
What is the average delay on flights from BOS to EYW?
Flights from Boston to Key West experience an average delay of 68.2 minutes when delayed. The overall on-time rate is 79% based on 667 flights analyzed.

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Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Related

Data sourced from Bureau of Transportation Statistics, FAA, NHTSA, DOT, and CPSC public datasets. See our methodology for details. Retrieved and formatted by PlainFlights Editorial