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

Baltimore, MD (BWI) to Atlanta, GA (ATL) flight delay odds

78.9% of 5,415 official scheduled BWI-to-ATL flights arrived on time; 12.6% arrived at least 30 minutes late and 1.9% 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
78.9%arrived on time
12.6%30+ min late
1.9%cancelled
5,415scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.5%all scheduled flights
120+ minutes late2.5%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+4.6 mincompleted flights

Which departure time was most reliable for BWI to ATL?

Among qualifying BWI-to-ATL departure window results, Early morning had the highest on-time rate: 85.7% of 1,844 flights. Night was lowest at 49.5% across 107 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning1,84485.7%7.7%2.1%
Late morning89284.9%8.0%2.0%
Afternoon1,42479.1%11.8%1.2%
Evening1,14865.9%23.0%2.3%
Night10749.5%32.7%1.9%

Which weekday was most reliable for BWI to ATL?

Among qualifying BWI-to-ATL weekday results, Wednesday had the highest on-time rate: 84.9% of 742 flights. Sunday was lowest at 73.7% across 828 flights.

DayFlightsOn time30+ minCancelled
Monday81675.1%15.7%3.3%
Tuesday75984.3%10.3%1.2%
Wednesday74284.9%8.1%0.9%
Thursday80579.9%11.8%0.9%
Friday81779.1%13.1%1.1%
Saturday64876.1%14.2%2.0%
Sunday82873.7%14.5%3.5%

Which airline was most reliable for BWI to ATL?

Among qualifying BWI-to-ATL airline results, Delta Air Lines had the highest on-time rate: 84.2% of 2,824 flights. Frontier Airlines was lowest at 66.4% across 883 flights.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines2,82484.2%8.9%2.1%
Southwest Airlines1,57376.1%13.7%1.3%
Frontier Airlines88366.4%23.0%2.4%
Spirit Airlines13583.7%8.1%0.7%

Which month was most reliable for BWI to ATL?

Among qualifying BWI-to-ATL month results, September 2025 had the highest on-time rate: 88.2% of 465 flights. July 2025 was lowest at 64.2% across 506 flights.

MonthFlightsOn time30+ minCancelled
July 202550664.2%25.9%3.0%
August 202549377.3%13.6%1.2%
September 202546588.2%5.6%0.0%
October 202550285.5%8.0%0.0%
November 202546883.1%10.0%1.5%
December 202543375.8%14.8%2.3%
January 202637977.8%10.8%6.3%
February 202634887.4%7.5%2.3%
March 202641574.0%15.4%3.1%
April 202644083.6%6.8%0.5%
May 202648677.2%14.8%0.8%
June 202648075.8%15.0%2.5%

What drove BWI to ATL delay minutes?

Late aircraft was the largest recorded BWI-to-ATL delay category, accounting for 38.9% of 72,253 BTS-attributed delay minutes during July 2025–June 2026.

Airline33.6%
Late aircraft38.9%
National airspace24.6%
Weather2.5%
Security0.5%
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.