IAH (Houston) to JFK (New York) flights arrive on time 70% of the time. The most reliable airline on this route is Delta Air Lines at 84%. The average delay is 84 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated March 2026.IAH → JFK
IAH (Houston) to JFK (New York)
IAH → JFK on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is delayed fairly often. About 70% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Delta Air Lines is significantly more reliable on this route at 84% on time vs JetBlue Airways at 67%.
Airline Comparison
Delta Air Lines leads at 84% on time; JetBlue Airways trails at 67%.
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 ~5 min. Best time: 4 AM (about 5 min).
Arriving at JFK
78% on timeWhen flights into JFK are late, the average delay is 78 minutes. Build buffer if you have ground plans.
If connecting at JFK: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
JFK has a 2.3% cancellation rate — keep the airline app handy for rebooking.
Flight cancelled or delayed?
Check what Delta Air Lines owes you — refund rights, action plan, complaint email. Free.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.