DTW (Detroit) to PHL (Philadelphia) flights arrive on time 81% of the time. The most reliable airline on this route is Endeavor Air 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.DTW → PHL
DTW (Detroit) to PHL (Philadelphia)
DTW → PHL on-time performance by month
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This route is on time most of the time. About 81% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Endeavor Air is significantly more reliable on this route at 89% on time vs Frontier Airlines at 61%.
Airline Comparison
Endeavor Air leads at 89% on time; Frontier Airlines trails at 61%.
Accurate?
Good to know
Departing from DTW
84% on timeExpect ~17 min sitting on the taxiway after your gate pushes back. DTW has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at PHL
79% on timeWhen flights into PHL are late, the average delay is 79 minutes. Build buffer if you have ground plans.
If connecting at PHL: TSA is ~5 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.