BOS (Boston) to DTW (Detroit) flights arrive on time 79% of the time. The most reliable airline on this route is Delta Air Lines at 81%. The average delay is 72 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated July 2026.BOS → DTW
BOS (Boston) to DTW (Detroit)
BOS → DTW on-time performance by month
This route is on time most of the time. About 79% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Delta Air Lines edges out Spirit Airlines on this route — 81% vs 74% on time.
Airline Comparison
Delta Air Lines leads at 81% on time; Spirit Airlines trails at 74%.
Good to know
Departing from BOS
77% on timeExpect ~21 min sitting on the taxiway after your gate pushes back. BOS has long runway queues.
TSA is currently ~9 min. Best time: 4 AM (about 5 min).
Arriving at DTW
80% on timeWhen flights into DTW are late, the average delay is 78 minutes. Build buffer if you have ground plans.
If connecting at DTW: TSA is ~17 min right now. Allow at least 60 minutes for a domestic connection.
Flying out of BOS? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
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Send them the link — delay data, TSA waits, weather, all free.
Data last updated July 2026. Source: Bureau of Transportation Statistics.