72% of SLC → JFK flights arrived on time in June-August 2026 (460 flights). The most reliable was DL 705, on time 79% of the time on this route. Morning flights did best (76%), evening flights worst (71%). Salt Lake City (SLC): no delay reported. New York JFK (JFK): no delay reported.
Best time of day to fly SLC → JFK
| Morning (before noon) | |
| Afternoon (noon-5 PM) | |
| Evening (after 5 PM) |
Flights SLC → JFK, most reliable first
| Flight | Departs | On time on this route | Cancelled |
|---|---|---|---|
| DL 705 Delta | 11:59 PM | 2.2% | |
| DL 1792 Delta | 9:59 AM | 2.2% | |
| DL 671 Delta | 2:35 PM | 3.3% | |
| DL 697 Delta | 5:10 PM | 1.1% | |
| B6 372 JetBlue | 10:39 PM | 12% |
SLC conditions · JFK conditions · JFK → SLC · 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.