Route
BOS → BUF
Boston Logan International Airport Buffalo Niagara International Airport
How punctual is this route?
- On-time arrivals
- 73.3%
- Less than 15 minutes late
- Cancelled
- 3.6%
- Of scheduled flights
- Average delay when late
- 77 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,349
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 64%
- Airline (crew, maintenance, cleaning) 23%
- Air traffic control & airport 10%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 70.9% | 87 |
| October 2025 | 76.9% | 106 |
| November 2025 | 78.6% | 84 |
| December 2025 | 53.0% | 72 |
| January 2026 | 57.8% | 50 |
| February 2026 | 68.6% | 38 |
| March 2026 | 68.8% | 110 |
| April 2026 | 78.1% | 105 |
| May 2026 | 86.7% | 167 |
| June 2026 | 79.3% | 169 |
| July 2026 | 70.6% | 183 |
| August 2026 | 66.7% | 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 | 887 | 68.2% | 3.9% | 78 min |
| Republic Airways | 386 | 82.8% | 3.4% | 74 min |
| Envoy Air | 76 | 84.2% | 0.0% | 80 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
B6715
37% late · 300 flights
-
B61115
38% late · 181 flights
-
B6415
40% late · 159 flights
-
YX4666
5% late · 94 flights
-
B61215
9% late · 90 flights
-
B62115
21% late · 85 flights
-
YX4616
28% late · 76 flights
-
YX4440
13% late · 54 flights
-
B6915
25% late · 52 flights
-
YX4500
18% late · 44 flights
-
YX4774
9% late · 35 flights
-
YX4702
29% late · 32 flights
-
YX4439
38% late · 27 flights
-
MQ3622
36% late · 22 flights
-
MQ4055
5% late · 21 flights
-
YX4681
15% late · 20 flights
Reviews
No reviews yet. Be the first to review this route.