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

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

Historically, 75.4% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 3,158 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
75.4%arrived on time
15.2%30+ min late
2.1%cancelled
3,158scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.9%all scheduled flights
120+ minutes late3.9%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+8.2 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Early morning94783.2%8.0%2.3%
Late morning55274.5%15.9%2.0%
Afternoon74074.1%18.1%0.8%
Evening82568.8%20.4%2.7%
Night9471.3%14.9%4.3%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday47771.7%17.8%4.4%
Tuesday41983.8%9.1%1.4%
Wednesday40182.3%10.2%1.5%
Thursday46074.8%15.2%0.4%
Friday47279.7%13.8%0.4%
Saturday45469.6%19.8%1.5%
Sunday47568.0%19.2%4.4%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
American Airlines2,56977.0%13.9%2.0%
Frontier Airlines35465.3%23.7%2.0%
Spirit Airlines23573.6%17.0%3.0%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 202522056.8%32.3%1.8%
August 202526967.7%21.6%0.4%
September 202521779.3%12.4%0.9%
October 202524679.7%13.8%0.4%
November 202525679.7%12.5%2.0%
December 202527774.7%16.6%1.8%
January 202627874.1%11.5%6.1%
February 202627275.4%10.7%5.5%
March 202629378.2%14.7%2.0%
April 202629580.0%13.6%0.0%
May 202624684.1%9.3%0.8%
June 202628973.7%15.6%2.4%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline37.3%
Late aircraft37.4%
National airspace20.6%
Weather4.4%
Security0.3%
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.