CLE (Cleveland) to IAH (Houston) flights arrive on time 86% of the time. The most reliable airline on this route is SkyWest Airlines at 93%. The average delay is 57 minutes. Delays on this route are most often caused by air traffic and busy airspace.
Source: Bureau of Transportation Statistics. Updated May 2026.CLE → IAH
CLE (Cleveland) to IAH (Houston)
CLE → IAH on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
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This route is usually on time. About 86% of flights arrive on schedule.
Delays on this route are most often caused by air traffic and busy airspace.
Accurate?
SkyWest Airlines is significantly more reliable on this route at 93% on time vs Frontier Airlines at 69%.
Airline Comparison
SkyWest Airlines leads at 93% on time; Frontier Airlines trails at 69%.
Accurate?
Good to know
Departing from CLE
81% on timeExpect ~17 min sitting on the taxiway after your gate pushes back. CLE has long runway queues.
TSA is currently ~15 min. Best time: 4 AM (about 5 min).
Arriving at IAH
80% on timeWhen flights into IAH are late, the average delay is 75 minutes. Build buffer if you have ground plans.
If connecting at IAH: TSA is ~27 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated May 2026. Source: Bureau of Transportation Statistics.