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

Harrisburg, PA (MDT) to Atlanta, GA (ATL) flight delay odds

84.3% of 979 official scheduled MDT-to-ATL flights arrived on time; 8.5% arrived at least 30 minutes late and 2.1% 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
84.3%arrived on time
8.5%30+ min late
2.1%cancelled
979scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.5%all scheduled flights
120+ minutes late1.7%all scheduled flights
Diverted0.4%did not reach as scheduled
Average arrival-3.3 mincompleted flights

Which departure time was most reliable for MDT to ATL?

Among qualifying MDT-to-ATL departure window results, Early morning had the highest on-time rate: 88.3% of 350 flights. Afternoon was lowest at 78.9% across 161 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning35088.3%5.7%2.6%
Late morning18287.4%8.2%0.5%
Afternoon16178.9%9.9%3.1%
Evening28680.4%11.2%2.1%

Which weekday was most reliable for MDT to ATL?

Among qualifying MDT-to-ATL weekday results, Wednesday had the highest on-time rate: 90.5% of 147 flights. Sunday was lowest at 77.5% across 142 flights.

DayFlightsOn time30+ minCancelled
Monday14781.0%9.5%2.7%
Tuesday15082.0%10.0%1.3%
Wednesday14790.5%6.8%0.0%
Thursday14588.3%8.3%0.7%
Friday14584.8%7.6%1.4%
Saturday10386.4%4.9%2.9%
Sunday14277.5%11.3%6.3%

Which airline was most reliable for MDT to ATL?

Only Delta Air Lines met the MDT-to-ATL airline threshold: 84.3% of 979 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines97984.3%8.5%2.1%

Which month was most reliable for MDT to ATL?

Among qualifying MDT-to-ATL month results, September 2025 had the highest on-time rate: 92.6% of 81 flights. December 2025 was lowest at 78.6% across 56 flights.

MonthFlightsOn time30+ minCancelled
July 20258881.8%13.6%0.0%
August 20258485.7%2.4%2.4%
September 20258192.6%4.9%0.0%
October 20258880.7%14.8%0.0%
November 20258386.7%8.4%1.2%
December 20255678.6%14.3%0.0%
January 20267578.7%10.7%6.7%
February 20267882.1%6.4%5.1%
March 20268679.1%8.1%3.5%
April 20268485.7%8.3%2.4%
May 20268787.4%4.6%4.6%
June 20268989.9%6.7%0.0%

What drove MDT to ATL delay minutes?

Airline was the largest recorded MDT-to-ATL delay category, accounting for 62.5% of 10,993 BTS-attributed delay minutes during July 2025–June 2026.

Airline62.5%
Late aircraft25.4%
National airspace11.8%
Weather0.4%
Security0.0%
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.