IAH (Houston) to LGA (New York) flights arrive on time 76% of the time. The most reliable airline on this route is SkyWest Airlines at 81%. The average delay is 76 minutes. Delays on this route are most often caused by air traffic and busy airspace.
Source: Bureau of Transportation Statistics. Updated May 2026.IAH → LGA
IAH (Houston) to LGA (New York)
IAH → LGA on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
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This route is on time most of the time. About 76% of flights arrive on schedule.
Delays on this route are most often caused by air traffic and busy airspace.
Accurate?
SkyWest Airlines edges out Spirit Airlines on this route — 81% vs 71% on time.
Airline Comparison
SkyWest Airlines leads at 81% on time; Spirit Airlines trails at 71%.
Accurate?
Good to know
Departing from IAH
80% on timeExpect ~18 min sitting on the taxiway after your gate pushes back. IAH has long runway queues.
TSA is currently ~27 min. Best time: 4 AM (about 5 min).
Arriving at LGA
80% on timeWhen flights into LGA are late, the average delay is 76 minutes. Build buffer if you have ground plans.
If connecting at LGA: TSA is ~33 min right now. Allow at least 60 minutes for a domestic connection.
LGA has a 3.1% cancellation rate — keep the airline app handy for rebooking.
Flight cancelled or delayed?
Check what SkyWest Airlines owes you — refund rights, action plan, complaint email. Free.
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Data last updated May 2026. Source: Bureau of Transportation Statistics.