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

Miami, FL (MIA) to Philadelphia, PA (PHL) flight delay odds

73.9% of 3,158 official scheduled MIA-to-PHL flights arrived on time; 16.5% arrived at least 30 minutes late and 2.3% 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 SIGNALGenerally reliable
73.9%arrived on time
16.5%30+ min late
2.3%cancelled
3,158scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.4%all scheduled flights
120+ minutes late4.3%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+10.9 mincompleted flights

Which departure time was most reliable for MIA to PHL?

Among qualifying MIA-to-PHL departure window results, Early morning had the highest on-time rate: 89.3% of 755 flights. Evening was lowest at 67.9% across 882 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning75589.3%5.2%0.9%
Late morning20080.0%13.0%0.5%
Afternoon80368.1%20.4%3.0%
Evening88267.9%20.5%3.2%
Night51868.5%21.2%2.3%

Which weekday was most reliable for MIA to PHL?

Among qualifying MIA-to-PHL weekday results, Thursday had the highest on-time rate: 79.8% of 461 flights. Sunday was lowest at 61.1% across 473 flights.

DayFlightsOn time30+ minCancelled
Monday47671.2%17.2%4.4%
Tuesday41776.0%14.9%1.7%
Wednesday40377.4%15.1%1.0%
Thursday46179.8%13.4%0.0%
Friday47478.1%14.8%1.3%
Saturday45474.9%15.0%2.0%
Sunday47361.1%24.3%5.3%

Which airline was most reliable for MIA to PHL?

Among qualifying MIA-to-PHL airline results, American Airlines had the highest on-time rate: 74.7% of 2,569 flights. Spirit Airlines was lowest at 70.8% across 236 flights.

AirlineFlightsOn time30+ minCancelled
American Airlines2,56974.7%15.9%2.1%
Frontier Airlines35370.8%19.8%2.3%
Spirit Airlines23670.8%17.8%4.2%

Which month was most reliable for MIA to PHL?

Among qualifying MIA-to-PHL month results, October 2025 had the highest on-time rate: 81.6% of 244 flights. July 2025 was lowest at 63.0% across 219 flights.

MonthFlightsOn time30+ minCancelled
July 202521963.0%26.5%1.8%
August 202526874.6%17.5%0.4%
September 202521676.9%14.8%0.9%
October 202524481.6%12.7%0.4%
November 202525977.2%13.9%2.3%
December 202527475.2%16.4%2.2%
January 202627669.2%19.6%6.9%
February 202627573.8%13.5%5.5%
March 202629167.7%19.9%2.7%
April 202629875.8%15.8%0.0%
May 202624778.5%12.1%0.8%
June 202629173.9%15.5%2.7%

What drove MIA to PHL delay minutes?

Airline was the largest recorded MIA-to-PHL delay category, accounting for 40.7% of 59,306 BTS-attributed delay minutes during July 2025–June 2026.

Airline40.7%
Late aircraft38.7%
National airspace16.9%
Weather3.4%
Security0.2%
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.