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4,301 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 91% arrive on time from LGA
Best single flight UA 2371 LGA 06:00 → IAH 08:44 · 93% 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).

6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
LGA
94
92
90
92
81
65
86
77
84
76
65
65
67
% 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.

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
United (incl. SkyWest, Mesa) 2,683 79% 2.7% 86 min
Spirit 273 79% 4.0% 67 min
Delta 1,345 76% 4.3% 88 min

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.
UA 2371 LGA 06:00 IAH 08:44 93%
DL 2140 LGA 07:05 IAH 09:53 89%
UA 2617 LGA 10:15 IAH 13:06 86%
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 17 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.
UA 1935 LGA 06:00 IAH 08:44 3h 44m 35 79% 2.9% 27 min
UA 2371 LGA 06:00 IAH 08:44 3h 44m 284 93% 1.8% 136 min
DL 2140 LGA 07:05 IAH 09:53 3h 48m 199 89% 9.0% 114 min
UA 2662 LGA 07:29 IAH 10:13 3h 44m 30 73% 0.0% 74 min
UA 1957 LGA 07:29 IAH 10:13 3h 44m 32 84% 0.0% 88 min
UA 2617 LGA 10:15 IAH 13:06 3h 51m 326 86% 3.4% 95 min
DL 2099 LGA 10:54 IAH 13:43 3h 49m 337 76% 4.5% 72 min
UA 1627 LGA 12:31 IAH 15:22 3h 51m 51 80% 0.0% 79 min
UA 692 LGA 12:31 IAH 15:22 3h 51m 32 78% 0.0% 134 min
DL 2930 LGA 13:50 IAH 16:45 4h 00m 319 73% 2.8% 76 min
UA 2674 LGA 14:00 IAH 17:01 4h 01m 72 64% 1.4% 71 min
UA 1794 LGA 15:38 IAH 18:46 4h 08m 128 62% 2.3% 86 min
UA 1066 LGA 17:54 IAH 20:52 3h 58m 37 50% 2.7% 201 min
UA 2759 LGA 17:54 IAH 20:52 3h 58m 35 60% 0.0% 113 min
DL 2109 LGA 18:29 IAH 21:44 4h 15m 325 65% 4.3% 108 min
UA 2189 LGA 20:17 IAH 23:15 3h 58m 32 69% 9.4% 116 min
UA 2761 LGA 20:17 IAH 23:15 3h 58m 30 52% 3.3% 104 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.
United LGA IAH 4h 05m 79% 2.7% 2,683 Flying now
Delta LGA IAH 3h 56m 76% 4.3% 1,345 Flying now
Spirit LGA IAH 4h 02m 79% 4.0% 273 Not 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