Route · BOS → EYW · 2020–2025 BTS data
Boston to Key West
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), BOS to EYW (Boston to Key West) ranks #4750 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 79%
- On-time
- +0 pts
- vs US avg
- 68 min
- Delay when late
- 667
- Flights
- #4750 of 4927
- Corpus placement
Cancelled
1.9%
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 | 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 |
BOS–EYW seasonal on-time pattern
Best: August (100.0%) · weakest: December (57.5%)
Strongest calendar month
August
100.0% on-time · ~31 flights/mo
Busiest calendar month
December
~37 flights/mo avg
Weakest calendar month
December
57.5% on-time · ~37 flights/mo
Cancellation Rate
1.9%
13 of 667 flights
Diversion Rate
0.9%
6 of 667 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
BOS - Boston
Full on-time, delay-cause, and seasonal performance for Boston, MA.
BOS 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 BOS and EYW side by side on delays, cancellations, and reliability.
Compare BOS vs EYWOrigin-hub reliability standing
Mid-pack among BOS departures
From BOS, this corridor sits with 49 other 75–85% on-time routes out of 60 tracked departures, not the hub's reliability leaders (6 at ≥85%) and not the softest ( 5 below 75%). Destination: Key West · fleet on-time rank #3504 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to BOS–EYW.
Routes with a similar on-time rate
What the Data Says About BOS to EYW
667 tracked flights put the BOS to EYW pairing (Boston to Key West) at a 79% on-time rate, squarely in line with the wider network. Delays that do occur run 68.2 minutes on average. Across the 1,373-mile route and its 4 carriers, the trailing 24 months show 1.9% cancelled and 0.9% diverted (667 flights sampled).
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.
On the multi-year calendar, BOS–EYW peaks in August at 100.0% on-time while December carries the heaviest traffic (~37 flights per month) ; the softest month is December at 57.5%, a 42.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does BOS to EYW rank among US routes by traffic? ▼
How often are flights delayed from BOS to EYW? ▼
What is the cancellation rate for BOS to EYW? ▼
How far is the flight from BOS to EYW? ▼
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 BOS–EYW data
BOS–EYW is mid-pack at 79% on-time; month and carrier mix move more than the corridor headline.
- Compare BOS and EYW airport profiles: delay causes and top routes differ even on the same corridor. BOS airport
- If your dates flex, August (100.0% on-time) beats December (57.5%) on this corridor. Seasonal chart
- 4 other routes post a similar 79% 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.