Route
JFK → BOS
John F. Kennedy International Airport Boston Logan International Airport
How punctual is this route?
- On-time arrivals
- 72.1%
- Less than 15 minutes late
- Cancelled
- 5.0%
- Of scheduled flights
- Average delay when late
- 82 min
- Flights arriving 15+ minutes late
- Flights tracked
- 5,615
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 38%
- Air traffic control & airport 37%
- Airline (crew, maintenance, cleaning) 23%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 66.2% | 547 |
| October 2025 | 68.8% | 556 |
| November 2025 | 75.8% | 450 |
| December 2025 | 66.3% | 432 |
| January 2026 | 77.1% | 481 |
| February 2026 | 72.7% | 462 |
| March 2026 | 71.2% | 513 |
| April 2026 | 80.4% | 443 |
| May 2026 | 83.0% | 437 |
| June 2026 | 75.3% | 428 |
| July 2026 | 61.1% | 427 |
| August 2026 | 67.9% | 439 |
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 |
|---|---|---|---|---|
| Republic Airways | 2,858 | 75.8% | 5.1% | 81 min |
| JetBlue Airways | 2,389 | 68.3% | 5.1% | 82 min |
| Delta Air Lines | 368 | 68.7% | 3.5% | 90 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
YX5733
16% late · 364 flights
-
B61118
38% late · 358 flights
-
DL2639
32% late · 349 flights
-
YX5765
9% late · 347 flights
-
B6618
44% late · 331 flights
-
YX5798
39% late · 286 flights
-
B6418
26% late · 259 flights
-
B6318
31% late · 239 flights
-
YX5595
21% late · 239 flights
-
YX4708
28% late · 210 flights
-
B6118
12% late · 207 flights
-
B6918
42% late · 204 flights
-
B6818
31% late · 178 flights
-
YX4376
14% late · 165 flights
-
B61318
39% late · 158 flights
-
YX4659
24% late · 133 flights
-
YX4730
29% late · 125 flights
-
YX5651
50% late · 109 flights
-
B62718
15% late · 106 flights
-
B61018
15% late · 104 flights
-
YX4503
44% late · 103 flights
-
YX4687
30% late · 102 flights
-
YX4346
39% late · 80 flights
-
YX4634
30% late · 76 flights
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