Salt Lake City (SLC) to New York (JFK): On-Time Performance
Data through July 2026
Salt Lake City (SLC) to New York (JFK) effectively runs on two schedules. In September 2025, 91% of arrivals were on time; in July 2024 that fell to 64% — a 27-point seasonal swing. Across the full period the route averages 80% on-time against a national 78%.
- On-time
- 80%
- arrived <15 min late
- Avg delay
- 17 min
- completed flights
- Cancelled
- 1.5%
- Flights/day
- 5.3
- last 12 months
- Duration
- 4h 35m
- scheduled
- Distance
- 1,990 mi
Best airline from SLC to JFK
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Linesmost reliable | 81% | 15 min | 1.3% | 3,198 |
| JetBlue Airways | 74% | 28 min | 2.6% | 851 |
Monthly on-time trend
Best time to fly from SLC to JFK
Aim for departures around 7 a.m. (92% on-time); avoid 12 p.m. departures (64%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 14 min |
| Tuesdaybest | 82% | 13 min |
| Wednesday | 80% | 18 min |
| Thursday | 76% | 27 min |
| Fridaybest | 82% | 13 min |
| Saturday | 79% | 18 min |
| Sunday | 77% | 20 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft30%
- Airline operations47%
- National airspace system21%
- Weather2%
Frequently asked questions
- How often are flights from SLC to JFK delayed?
- 21% of SLC–JFK flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 17 minutes.
- Which airline is most reliable from SLC to JFK?
- Delta Air Lines has the best on-time record on this route at 81%, based on 3,198 flights. 2 airlines flew SLC–JFK frequently enough to compare in this period.
- What is the best time of day to fly from SLC to JFK?
- Departures around 7 a.m. have the best record (92% on-time), while departures around 12 p.m. have the worst (64%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SLC to JFK?
- The scheduled SLC–JFK flight time averages 4h 35m over 1,990 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are SLC to JFK flights cancelled?
- 1.5% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from SLC to JFK?
- July 2024 was the roughest month in this dataset, with only 64% of arrivals on time. The best was September 2025 at 91%. If your dates are flexible, that 27-point gap is worth planning around.
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Based on 4,049 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.