Route
SJU → JFK
Luis Munoz Marin International Airport John F. Kennedy International Airport
How punctual is this route?
- On-time arrivals
- 77.8%
- Less than 15 minutes late
- Cancelled
- 3.9%
- Of scheduled flights
- Average delay when late
- 86 min
- Flights arriving 15+ minutes late
- Flights tracked
- 3,560
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 44%
- Late-arriving aircraft 43%
- Air traffic control & airport 11%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 83.9% | 248 |
| October 2025 | 83.0% | 269 |
| November 2025 | 80.6% | 297 |
| December 2025 | 78.1% | 351 |
| January 2026 | 73.7% | 310 |
| February 2026 | 71.6% | 294 |
| March 2026 | 83.1% | 305 |
| April 2026 | 84.1% | 310 |
| May 2026 | 88.5% | 254 |
| June 2026 | 83.9% | 289 |
| July 2026 | 57.7% | 310 |
| August 2026 | 65.8% | 323 |
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 | 2,250 | 72.4% | 4.8% | 88 min |
| Delta Air Lines | 1,104 | 87.7% | 2.4% | 82 min |
| Frontier Airlines | 206 | 81.4% | 2.4% | 72 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL1854
8% late · 365 flights
-
B61604
20% late · 347 flights
-
B6904
22% late · 309 flights
-
DL1961
12% late · 267 flights
-
DL1966
16% late · 263 flights
-
B61004
36% late · 254 flights
-
B6304
30% late · 222 flights
-
B62004
34% late · 194 flights
-
B61104
26% late · 192 flights
-
B62104
23% late · 166 flights
-
B62904
16% late · 164 flights
-
B62404
29% late · 157 flights
-
F93546
17% late · 150 flights
-
B6504
37% late · 112 flights
-
DL882
16% late · 91 flights
-
B6704
53% late · 90 flights
-
DL1877
15% late · 61 flights
-
F93548
23% late · 56 flights
-
DL396
4% late · 25 flights
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