Showing Delta only (incl. its regional partners)All airlines ×

1,538 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: Delta’s SLC → JFK flights land within a few points of 85% on time whatever the hour.

Best time to leave 7–8 am 96% arrive on time from SLC

Best single flight DL 705 SLC 23:59 → JFK 06:23 · 89% on time Avoid DL 671 SLC 14:36 → JFK 21:28 · 79% on time

Time of day × airport

Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).

SLC

% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55

Pick an hour to see this route’s flights leaving then.

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.


DL 705	SLC 23:59	JFK 06:23	89%
DL 697	SLC 17:10	JFK 23:52	82%
DL 671	SLC 14:36	JFK 21:28	79%

All 4 Delta flights in the current schedule

Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.


DL 1792	SLC 09:59	JFK 16:49	4h 50m	110	84%	1.8%	90 min
DL 671	SLC 14:36	JFK 21:28	4h 53m	363	79%	2.5%	64 min
DL 697	SLC 17:10	JFK 23:52	4h 42m	365	82%	1.9%	69 min
DL 705	SLC 23:59	JFK 06:23	4h 24m	363	89%	1.7%	62 min

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.


Delta	SLC	JFK	4h 37m	85%	1.9%	1,538	Flying now

Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON