PHL to DTW flight delays

PHL DTW Philadelphia to Detroit Wayne · 453 miles

9,054 flights were scheduled from PHL to DTW over July 2023 through June 2026. Of the 8,851 that made the trip, 81.3% reached the gate less than 15 minutes behind schedule. These are arrival figures: “on time” means the flight reached the gate less than 15 minutes behind schedule. Arrivals are what decide whether you make the connection, so route and airline pages are scored on them rather than on pushback.

Data through June 2026 · Bureau of Transportation Statistics

The route in brief

Flights in the window
9,054
Arrived on time
81.3%
Cancelled
2.2%
Scheduled distance
453 miles

Cancellations are counted against everything scheduled. Diverted flights are counted with them rather than as very late arrivals, which is why the on-time share and the cancellation rate do not add up to everything that happened.

Airline by airline

Airlines with at least 100 flights on PHL–DTW, busiest first. Same route, same weather, same air traffic — which makes this the fairest comparison on the site.

Airline Arrived on time Typical delay Cancelled Flights
Delta Air Lines 85.5% 105 min 1.3% 4,317
PSA Airlines 77.9% 84 min 4.7% 1,703
American Airlines 76.4% 80 min 2.5% 1,319
Spirit Airlines 77.5% 71 min 0.9% 741
SkyWest Airlines 76.6% 145 min 1.2% 337
Republic Airways 81.9% 97 min 2.3% 265
Frontier Airlines 65% 61 min 3.8% 208
Endeavor Air 87.2% 0% 164

A dash under typical delay means fewer than 30 of that airline’s flights arrived 15 minutes late or more — too few to average.

Month by month

July was the month to avoid on PHL–DTW: 71% of flights arrived on time, against 88.4% in October. Each bar pools three years of that calendar month.

Share of flights that arrived on time, by calendar month. Best month in green, worst in amber. The hairline sits at the overall rate, 81.3%.
Arrival on-time share, PHL to DTW, by calendar month
Month Share flights that arrived on time Flights
January 75% 667
February 82.9% 608
March 87.2% 646
April 81.5% 680
May 83.8% 771
June 78.6% 832
July 71% 885
August 77.5% 879
September 86.5% 836
October 88.4% 857
November 86.7% 687
December 77% 706

Both ends of the route

A route’s record is built out of two airports’ habits. The hour-by-hour grid for each is on its own page.

PHL to DTW in one number

PHL → DTW

When a flight on this route was late, it was late by about 92 min.

July 2023–June 2026 · 9,054 flights

81.3% of flights arrived on time

Questions about PHL to DTW

Which airline is most reliable from PHL to DTW?
Endeavor Air — its flights on this pairing arrived on time 87.2% of the time, with 164 scheduled. Frontier Airlines came in at 65% over 208 scheduled. Airlines with fewer than 100 flights on the route are not rated.
What is the worst month to fly PHL to DTW?
July, at 71% of arrivals on time, with 885 flights scheduled. October was the best of the year at 88.4%.
How late are PHL–DTW flights when they are late?
92 min on average, counting only the flights that arrived 15 minutes or more behind schedule. The on-time flights are left out of that average on purpose — mixing them in would flatter it.
How often is the PHL to DTW flight cancelled?
2.2% of scheduled flights on this route were cancelled, July 2023 through June 2026. Diverted flights are counted with the cancellations rather than as late arrivals.
Are these departure or arrival numbers?
Arrival. A flight counts as on time here if it reached the gate at DTW less than 15 minutes behind schedule. Airport pages score departures instead, because that is the number you can act on when you pick a booking time.