GRR (Grand Rapids) to DTW (Detroit) flights arrive on time 84% of the time. The most reliable airline on this route is Delta Air Lines at 89%. The average delay is 85 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated March 2026.GRR → DTW
GRR (Grand Rapids) to DTW (Detroit)
GRR → DTW on-time performance by month
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This route is on time most of the time. About 84% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Delta Air Lines edges out Republic Airways on this route — 89% vs 75% on time.
Airline Comparison
Delta Air Lines leads at 89% on time; Republic Airways trails at 75%.
Accurate?
Good to know
Departing from GRR
80% on timeExpect ~17 min sitting on the taxiway after your gate pushes back. GRR has long runway queues.
TSA is currently ~12 min. Best time: 4 AM (about 5 min).
Arriving at DTW
84% on timeWhen flights into DTW are late, the average delay is 75 minutes. Build buffer if you have ground plans.
If connecting at DTW: TSA is ~8 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
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Data last updated March 2026. Source: Bureau of Transportation Statistics.