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

Pittsburgh, PA (PIT) to Atlanta, GA (ATL) flight delay odds

Historically, 88.0% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 2,777 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
88.0%arrived on time
5.9%30+ min late
2.1%cancelled
2,777scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late3.1%all scheduled flights
120+ minutes late1.2%all scheduled flights
Diverted0.4%did not reach as scheduled
Average arrival-7.7 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 morning71789.7%4.3%2.6%
Late morning63691.0%4.4%2.5%
Afternoon89287.1%6.1%1.6%
Evening53283.5%9.4%1.9%

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
Monday42683.8%9.2%2.6%
Tuesday38489.3%6.2%1.0%
Wednesday37493.0%2.1%0.5%
Thursday42091.0%5.5%1.0%
Friday42388.7%4.7%1.9%
Saturday32689.6%4.3%3.4%
Sunday42481.6%8.3%4.5%

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
Delta Air Lines2,47588.2%5.7%2.3%
Southwest Airlines30286.1%7.0%0.3%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202525087.2%5.6%0.4%
August 202524687.8%4.5%3.7%
September 202523595.7%1.7%0.0%
October 202525191.6%4.4%0.0%
November 202521788.9%4.6%3.2%
December 202522878.5%12.3%3.5%
January 202621781.6%9.2%5.5%
February 202621091.4%4.8%0.5%
March 202623583.8%6.8%4.7%
April 202622291.9%5.4%1.4%
May 202624386.8%7.8%1.2%
June 202622390.1%3.6%1.8%

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.

Airline40.1%
Late aircraft36.3%
National airspace19.7%
Weather3.9%
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.