64% of BUF → JFK flights arrived on time in June-August 2026 (366 flights). The most reliable was B6 2001, on time 81% of the time on this route. Morning flights did best (76%), evening flights worst (43%). BUF (BUF): no delay reported. New York JFK (JFK): no delay reported.
Best time of day to fly BUF → JFK
| Morning (before noon) | |
| Afternoon (noon-5 PM) | |
| Evening (after 5 PM) |
Flights BUF → JFK, most reliable first
| Flight | Departs | On time on this route | Cancelled |
|---|---|---|---|
| B6 2001 JetBlue | 6:40 AM | 7.8% | |
| B6 1901 JetBlue | 9:15 AM | 3.3% | |
| B6 2901 JetBlue | 3:55 PM | 18.1% | |
| B6 201 JetBlue | 8:07 PM | 19.6% |
JFK conditions · JFK → BUF · Cancellations
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From BTS on-time data, June-August 2026; flights with 20+ trips on this route. On-time rates cover each flight number's whole day, which can include other legs. Departure times are local.