IAH (Houston) to GRR (Grand Rapids) flights arrive on time 68% of the time. The most reliable airline on this route is SkyWest Airlines at 69%. The average delay is 71 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated October 2026.IAH → GRR
IAH (Houston) to GRR (Grand Rapids)
IAH → GRR on-time performance by month
23
24
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is delayed fairly often. About 68% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Airlines are roughly equal on this route — SkyWest Airlines leads slightly at 69% vs United Airlines at 68%.
Airline Comparison
SkyWest Airlines leads at 69% on time; United Airlines trails at 68%.
Accurate?
Good to know
Departing from IAH
79% on timeExpect ~19 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 GRR
79% on timeWhen flights into GRR are late, the average delay is 77 minutes. Build buffer if you have ground plans.
If connecting at GRR: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what SkyWest Airlines owes you — refund rights, action plan, complaint email. Free.
Flying out of IAH? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated October 2026. Source: Bureau of Transportation Statistics.