DEN → PHL: cancellations & delays
Over Jan 2023 - Apr 2026, 1.2% of Denver International Airport (DEN) to Philadelphia International Airport (PHL) flights were cancelled and 26.8% arrived at least 15 minutes late, across 9,542 flights, flown by UA, AA, WN, F9. Cancellations peak in July.
Check today's live DEN departures →Airport pages: Denver International Airport (DEN) · Philadelphia International Airport (PHL)
Rates are historical averages from U.S. DOT (BTS) on-time records; a specific flight's live estimate can differ with weather and the day's disruptions.