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

Philadelphia, PA (PHL) to Atlanta, GA (ATL) flight delay odds

76.9% of 5,713 official scheduled PHL-to-ATL flights arrived on time; 14.0% arrived at least 30 minutes late and 2.7% 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
76.9%arrived on time
14.0%30+ min late
2.7%cancelled
5,713scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.2%all scheduled flights
120+ minutes late2.6%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+2.7 mincompleted flights

Which departure time was most reliable for PHL to ATL?

Among qualifying PHL-to-ATL departure window results, Late morning had the highest on-time rate: 85.1% of 711 flights. Evening was lowest at 67.8% across 1,385 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning1,77281.9%10.2%2.9%
Late morning71185.1%7.7%2.3%
Afternoon1,70376.3%15.0%1.9%
Evening1,38567.8%20.5%3.4%
Night14268.3%19.0%6.3%

Which weekday was most reliable for PHL to ATL?

Among qualifying PHL-to-ATL weekday results, Wednesday had the highest on-time rate: 86.1% of 768 flights. Sunday was lowest at 69.9% across 868 flights.

DayFlightsOn time30+ minCancelled
Monday88472.2%15.6%4.1%
Tuesday78679.9%12.3%2.0%
Wednesday76886.1%9.0%0.8%
Thursday86478.2%14.6%0.9%
Friday87177.7%13.7%2.8%
Saturday67275.1%14.4%3.1%
Sunday86869.9%18.0%5.2%

Which airline was most reliable for PHL to ATL?

Among qualifying PHL-to-ATL airline results, Republic Airways had the highest on-time rate: 87.2% of 156 flights. Spirit Airlines was lowest at 58.7% across 92 flights.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines3,02982.6%9.7%2.5%
Frontier Airlines1,00864.4%23.9%2.8%
PSA Airlines83478.7%12.8%4.1%
American Airlines59466.7%20.9%1.9%
Republic Airways15687.2%5.8%3.2%
Spirit Airlines9258.7%28.3%3.3%

Which month was most reliable for PHL to ATL?

Among qualifying PHL-to-ATL month results, September 2025 had the highest on-time rate: 87.6% of 436 flights. July 2025 was lowest at 66.1% across 528 flights.

MonthFlightsOn time30+ minCancelled
July 202552866.1%22.9%3.2%
August 202550876.0%15.4%2.0%
September 202543687.6%6.9%0.5%
October 202547382.7%11.0%0.2%
November 202546577.4%13.3%3.4%
December 202545866.4%20.5%4.4%
January 202642672.5%15.0%5.9%
February 202640780.3%9.3%5.7%
March 202645776.6%14.7%4.2%
April 202649183.3%10.4%1.2%
May 202652076.3%14.4%1.2%
June 202654478.7%12.9%2.0%

What drove PHL to ATL delay minutes?

Late aircraft was the largest recorded PHL-to-ATL delay category, accounting for 45.2% of 75,925 BTS-attributed delay minutes during July 2025–June 2026.

Airline27.1%
Late aircraft45.2%
National airspace24.3%
Weather3.4%
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.