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Showing Delta only (incl. its regional partners)All airlines ×
1,345 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 93% depart on time. After 4 pm it’s 2 in 3.

Best time to leave 7–8 am 95% arrive on time from LGA
Best single flight DL 2140 LGA 07:05 → IAH 09:53 · 89% on time Avoid DL 2109 LGA 18:29 → IAH 21:44 · 65% 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).

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LGA
93
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65
% 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 2140 LGA 07:05 IAH 09:53 89%
DL 2099 LGA 10:54 IAH 13:43 76%
DL 2930 LGA 13:50 IAH 16:45 73%
DL 2109 LGA 18:29 IAH 21:44 65%

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 2140 LGA 07:05 IAH 09:53 3h 48m 199 89% 9.0% 114 min
DL 2099 LGA 10:54 IAH 13:43 3h 49m 337 76% 4.5% 72 min
DL 2930 LGA 13:50 IAH 16:45 4h 00m 319 73% 2.8% 76 min
DL 2109 LGA 18:29 IAH 21:44 4h 15m 325 65% 4.3% 108 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 LGA IAH 3h 56m 76% 4.3% 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