Route · BOS → BUF · 2020–2025 BTS data
Boston to Buffalo
The BOS–BUF corridor (Boston, MA → Buffalo, NY) runs ahead of the national average, served by 7 carriers across roughly 395 miles.
Data updated 2026-06-13
- 79.1%
- On-time
- +0.1 pts
- vs US avg
- 75 min
- Delay when late
- 4,268
- Flights
Cancelled
1.3%
Best Month
Apr 2025 94%
Worst Month
Dec 2025 57%
Distance
395 mi
Carriers
7
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 72 | 31 | 6 | 0 | B6 |
| Nov 2025 | 84 | 18 | 0 | 0 | B6 |
| Oct 2025 | 106 | 24 | 2 | 0 | B6 |
| Sep 2025 | 87 | 25 | 1 | 0 | B6 |
| Aug 2025 | 124 | 17 | 1 | 0 | B6 |
| Jul 2025 | 123 | 37 | 1 | 0 | B6 |
| Jun 2025 | 102 | 25 | 0 | 0 | B6 |
| May 2025 | 86 | 12 | 0 | 0 | B6 |
| Apr 2025 | 86 | 5 | 0 | 0 | B6 |
| Mar 2025 | 64 | 19 | 0 | 0 | B6 |
| Feb 2025 | 50 | 16 | 1 | 0 | B6 |
| Jan 2025 | 51 | 11 | 1 | 0 | B6 |
| Dec 2024 | 78 | 12 | 4 | 0 | B6 |
| Nov 2024 | 87 | 13 | 0 | 0 | B6 |
| Oct 2024 | 89 | 10 | 0 | 1 | B6 |
| Sep 2024 | 86 | 9 | 0 | 0 | B6 |
| Aug 2024 | 93 | 23 | 2 | 0 | B6 |
| Jul 2024 | 90 | 19 | 0 | 0 | B6 |
| Jun 2024 | 83 | 19 | 0 | 0 | B6 |
| May 2024 | 88 | 19 | 0 | 0 | B6 |
| Apr 2024 | 61 | 5 | 0 | 0 | B6 |
| Mar 2024 | 62 | 11 | 0 | 0 | B6 |
| Feb 2024 | 57 | 6 | 1 | 0 | B6 |
| Jan 2024 | 55 | 20 | 6 | 0 | B6 |
Cancellation Rate
1.3%
26 of 1,964 flights
Diversion Rate
0.1%
1 of 1,964 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.
Origin airport →BUF - Buffalo
Full on-time, delay-cause, and seasonal performance for Buffalo, NY.
Destination airport →Compare the two airports
See BOS and BUF side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to BOS–BUF.
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What the Data Says About BOS to BUF
4,268 tracked flights put the BOS to BUF pairing (Boston to Buffalo) at a 79.1% on-time rate, squarely in line with the wider network. Delays that do occur run 75.2 minutes on average. Across the 395-mile route and its 7 carriers, the trailing 24 months show 1.3% cancelled and 0.1% diverted (1,964 flights sampled).
The monthly split is wide on this route: Apr 2025 posted the strongest performance at 94% on-time, while Dec 2025 came in at just 57% - a 37-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.