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

1,614 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s 2 in 3.

Best time to leave 6–7 am 89% arrive on time from IAH

Best airport pair IAH → JFK 80% on time, fewest cancelled (4.1%), 269 flights

Best single flight DL 1417 IAH 07:00 → LGA 11:33 · 88% on time Avoid DL 2140 IAH 10:53 → LGA 15:32 · 82% 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).

IAH

% 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 1417	IAH 07:00	LGA 11:33	88%
DL 2140	IAH 10:53	LGA 15:32	82%

All 6 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 1417	IAH 07:00	LGA 11:33	3h 33m	356	88%	4.2%	75 min
DL 2140	IAH 10:53	LGA 15:32	3h 41m	191	82%	6.3%	88 min
DL 396	IAH 12:33	JFK 17:30	3h 57m	31	81%	0.0%	34 min
DL 2088	IAH 14:10	LGA 18:56	3h 46m	74	73%	6.8%	50 min
DL 2099	IAH 16:00	LGA 20:46	3h 46m	73	65%	9.6%	56 min
DL 2943	IAH 18:38	LGA 23:22	3h 44m	48	60%	2.1%	112 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	IAH	JFK	3h 48m	80%	4.1%	269	Flying now
Delta	IAH	LGA	3h 33m	78%	4.5%	1,345	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