Route · FLL → BOS · 2020–2025 BTS data
Fort Lauderdale to Boston
The FLL–BOS corridor (Fort Lauderdale, FL → Boston, MA) runs behind the national average, served by 20 carriers across roughly 1,237 miles.
Data updated 2026-06-13
- 73%
- On-time
- -6 pts
- vs US avg
- 79 min
- Delay when late
- 18,044
- Flights
Cancelled
1.6%
Best Month
Nov 2024 86%
Worst Month
Jul 2025 56%
Distance
1,237 mi
Carriers
20
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 360 | 133 | 10 | 1 | B6,DL,NK |
| Nov 2025 | 296 | 64 | 16 | 0 | NK,B6,DL |
| Oct 2025 | 249 | 82 | 1 | 0 | B6,DL,NK |
| Sep 2025 | 232 | 70 | 4 | 0 | DL,NK,B6 |
| Aug 2025 | 240 | 73 | 0 | 0 | NK,B6,DL |
| Jul 2025 | 246 | 108 | 10 | 0 | B6,DL,NK |
| Jun 2025 | 233 | 78 | 2 | 1 | B6,DL,NK |
| May 2025 | 248 | 89 | 1 | 0 | B6,DL,NK |
| Apr 2025 | 359 | 76 | 1 | 0 | DL,NK,B6 |
| Mar 2025 | 366 | 105 | 1 | 0 | B6,DL,NK |
| Feb 2025 | 341 | 80 | 4 | 1 | B6,DL,NK |
| Jan 2025 | 303 | 65 | 4 | 0 | B6,DL,NK |
| Dec 2024 | 344 | 88 | 5 | 0 | B6,DL,NK |
| Nov 2024 | 299 | 43 | 0 | 0 | B6,NK,DL |
| Oct 2024 | 261 | 50 | 3 | 1 | DL,NK,B6 |
| Sep 2024 | 241 | 65 | 0 | 0 | NK,B6,DL |
| Aug 2024 | 232 | 89 | 3 | 0 | B6,DL,NK |
| Jul 2024 | 218 | 68 | 6 | 0 | B6,DL,NK |
| Jun 2024 | 210 | 58 | 8 | 1 | B6,DL,NK |
| May 2024 | 217 | 76 | 0 | 1 | B6,DL,NK |
| Apr 2024 | 259 | 80 | 5 | 0 | B6,DL,NK |
| Mar 2024 | 306 | 91 | 9 | 0 | B6,DL,NK |
| Feb 2024 | 293 | 102 | 7 | 0 | B6,DL,NK |
| Jan 2024 | 281 | 81 | 4 | 3 | B6,DL,NK |
Cancellation Rate
1.6%
104 of 6,634 flights
Diversion Rate
0.1%
9 of 6,634 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
FLL - Fort Lauderdale
Full on-time, delay-cause, and seasonal performance for Fort Lauderdale, FL.
Origin airport →BOS - Boston
Full on-time, delay-cause, and seasonal performance for Boston, MA.
Destination airport →Compare the two airports
See FLL 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 FLL–BOS.
Routes with a similar on-time rate
What the Data Says About FLL to BOS
On-time performance on the FLL to BOS pairing (Fort Lauderdale to Boston) trails a chunk of the network: 73% of 18,044 tracked flights arrived on schedule, with a 79.2-minute average delay on the ones that ran late. The route spans about 1,237 miles across 20 carriers. Cancellations over the trailing 24 months hit 1.6% (104 of 6,634 flights), with 0.1% diverted.
The monthly split is wide on this route: Nov 2024 posted the strongest performance at 86% on-time, while Jul 2025 came in at just 56% - a 30-point swing worth factoring into travel timing.
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.