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9,839 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

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

Best time to leave 5–6 am 92% arrive on time from EWR
Best airport pair EWR → IAH 81% on time, fewest cancelled (1.9%), 3,766 flights
Best single flight UA 2438 EWR 07:05 → IAH 09:50 · 94% 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).

5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
JFK
87
59
LGA
93
91
89
90
82
72
85
72
72
75
58
58
64
67
EWR
95
95
94
89
86
78
73
82
72
80
73
71
77
70
70
58
% 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) 6,217 81% 2.1% 80 min
Delta 1,614 77% 4.2% 86 min
Spirit 505 74% 5.5% 77 min
Southwest LGA→HOU only 1,359 73% 3.3% 64 min
JetBlue JFK→IAH only 144 – 3.5% 72 min

Dimmed: fewer than 150 flights in the year, too few to rank.

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 2438 EWR 07:05 IAH 09:50 94%
UA 2371 LGA 06:00 IAH 08:44 93%
UA 492 EWR 06:00 IAH 08:41 92%
DL 2140 LGA 07:05 IAH 09:53 89%
UA 332 EWR 07:59 IAH 10:44 87%
· · ·
UA 2425 EWR 20:50 IAH 23:43 75%
DL 2930 LGA 13:50 IAH 16:45 73%
DL 2109 LGA 18:29 IAH 21:44 65%
All 35 flights on this route →

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 JFK IAH 4h 05m 84% 3.7% 269 Flying now
United EWR IAH 4h 02m 82% 1.6% 3,534 Flying now
United LGA IAH 4h 05m 79% 2.7% 2,683 Flying now
Delta LGA IAH 3h 56m 76% 4.3% 1,345 Flying now
Southwest LGA HOU 4h 10m 73% 3.3% 1,359 Flying now
JetBlue JFK IAH 3h 50m 58% 3.5% 144 Flying now
Spirit LGA IAH 4h 02m 79% 4.0% 273 Not flying now
Spirit EWR IAH 3h 59m 69% 7.3% 232 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