BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
PHL→DTW

Philadelphia, PA (PHL) to Detroit, MI (DTW) flight delay odds

77.3% of 2,952 official scheduled PHL-to-DTW flights arrived on time; 14.4% arrived at least 30 minutes late and 3.0% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
77.3%arrived on time
14.4%30+ min late
3.0%cancelled
2,952scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.0%all scheduled flights
120+ minutes late4.6%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+8.2 mincompleted flights

Which departure time was most reliable for PHL to DTW?

Among qualifying PHL-to-DTW departure window results, Late morning had the highest on-time rate: 86.3% of 454 flights. Night was lowest at 66.2% across 278 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning80584.6%8.8%2.4%
Late morning45486.3%7.0%2.2%
Afternoon76376.3%16.5%2.2%
Evening65267.8%22.7%2.5%
Night27866.2%17.3%10.1%

Which weekday was most reliable for PHL to DTW?

Among qualifying PHL-to-DTW weekday results, Tuesday had the highest on-time rate: 85.2% of 420 flights. Sunday was lowest at 72.0% across 440 flights.

DayFlightsOn time30+ minCancelled
Monday44076.8%13.9%4.3%
Tuesday42085.2%9.8%2.1%
Wednesday41478.5%14.0%1.7%
Thursday43776.9%16.2%1.8%
Friday43773.9%16.9%1.8%
Saturday36478.0%11.0%3.8%
Sunday44072.0%18.2%5.7%

Which airline was most reliable for PHL to DTW?

Among qualifying PHL-to-DTW airline results, Spirit Airlines had the highest on-time rate: 87.2% of 133 flights. SkyWest Airlines was lowest at 65.2% across 69 flights.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines1,55780.6%13.1%2.1%
PSA Airlines84571.6%15.6%5.8%
American Airlines17978.8%15.6%0.6%
Spirit Airlines13387.2%9.0%0.8%
Republic Airways11272.3%16.1%2.7%
SkyWest Airlines6965.2%27.5%2.9%
Frontier Airlines5766.7%21.1%1.8%

Which month was most reliable for PHL to DTW?

Among qualifying PHL-to-DTW month results, September 2025 had the highest on-time rate: 88.0% of 267 flights. December 2025 was lowest at 63.4% across 232 flights.

MonthFlightsOn time30+ minCancelled
July 202528164.4%23.8%4.3%
August 202526879.9%13.1%1.1%
September 202526788.0%8.6%0.7%
October 202528286.5%9.9%0.0%
November 202523979.5%14.2%1.3%
December 202523263.4%27.6%3.4%
January 202621968.5%18.7%6.8%
February 202621273.6%13.7%5.7%
March 202622080.9%8.6%5.5%
April 202623381.5%11.6%0.9%
May 202624883.5%10.1%2.8%
June 202625175.3%13.1%5.6%

What drove PHL to DTW delay minutes?

Late aircraft was the largest recorded PHL-to-DTW delay category, accounting for 42.5% of 55,173 BTS-attributed delay minutes during July 2025–June 2026.

Airline37.1%
Late aircraft42.5%
National airspace15.3%
Weather5.0%
Security0.1%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.