Route
BUF → BOS
Buffalo Niagara International Airport Boston Logan International Airport
How punctual is this route?
- On-time arrivals
- 75.7%
- Less than 15 minutes late
- Cancelled
- 3.5%
- Of scheduled flights
- Average delay when late
- 82 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,349
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 47%
- Air traffic control & airport 31%
- Airline (crew, maintenance, cleaning) 22%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 71.3% | 88 |
| October 2025 | 68.0% | 105 |
| November 2025 | 78.8% | 85 |
| December 2025 | 59.1% | 72 |
| January 2026 | 55.3% | 51 |
| February 2026 | 68.6% | 38 |
| March 2026 | 76.1% | 109 |
| April 2026 | 76.0% | 104 |
| May 2026 | 89.7% | 167 |
| June 2026 | 81.6% | 169 |
| July 2026 | 74.1% | 183 |
| August 2026 | 76.8% | 178 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| JetBlue Airways | 888 | 71.4% | 3.9% | 81 min |
| Republic Airways | 386 | 85.8% | 3.1% | 78 min |
| Envoy Air | 75 | 74.7% | 0.0% | 101 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
B6716
20% late · 288 flights
-
B6516
48% late · 170 flights
-
B6216
30% late · 148 flights
-
YX4788
6% late · 134 flights
-
YX4666
5% late · 99 flights
-
B61216
22% late · 90 flights
-
B62116
24% late · 85 flights
-
YX4440
34% late · 54 flights
-
B6916
35% late · 47 flights
-
YX4500
14% late · 44 flights
-
B61316
24% late · 43 flights
-
MQ4068
35% late · 37 flights
-
YX4774
29% late · 35 flights
-
MQ3628
19% late · 21 flights
-
YX4681
35% late · 20 flights
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