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

Birmingham, AL (BHM) to Baltimore, MD (BWI) flight delay odds

79.8% of 342 official scheduled BHM-to-BWI flights arrived on time; 11.1% arrived at least 30 minutes late and 1.8% 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
79.8%arrived on time
11.1%30+ min late
1.8%cancelled
342scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.4%all scheduled flights
120+ minutes late2.3%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+6.0 mincompleted flights

Which departure time was most reliable for BHM to BWI?

Among qualifying BHM-to-BWI departure window results, Late morning had the highest on-time rate: 93.8% of 81 flights. Afternoon was lowest at 75.9% across 203 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning8193.8%4.9%0.0%
Afternoon20375.9%13.3%2.0%

Which weekday was most reliable for BHM to BWI?

Among qualifying BHM-to-BWI weekday results, Wednesday had the highest on-time rate: 92.3% of 52 flights. Monday was lowest at 69.2% across 52 flights.

DayFlightsOn time30+ minCancelled
Monday5269.2%9.6%1.9%
Tuesday5390.6%5.7%0.0%
Wednesday5292.3%5.8%0.0%
Thursday5282.7%11.5%1.9%
Friday5278.8%13.5%1.9%
Sunday5972.9%11.9%5.1%

Which airline was most reliable for BHM to BWI?

Only Southwest Airlines met the BHM-to-BWI airline threshold: 79.8% of 342 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines34279.8%11.1%1.8%

Which month was most reliable for BHM to BWI?

Among qualifying BHM-to-BWI month results, September 2025 had the highest on-time rate: 92.3% of 26 flights. July 2025 was lowest at 62.9% across 35 flights.

MonthFlightsOn time30+ minCancelled
July 20253562.9%17.1%8.6%
August 20252889.3%10.7%0.0%
September 20252692.3%3.8%0.0%
October 20252781.5%7.4%0.0%
November 20253171.0%12.9%0.0%
December 20253268.8%18.8%3.1%
January 20262788.9%3.7%3.7%
February 20262785.2%14.8%0.0%
March 20262777.8%7.4%3.7%
April 20262688.5%7.7%0.0%
May 20262692.3%3.8%0.0%
June 20263070.0%20.0%0.0%

What drove BHM to BWI delay minutes?

Late aircraft was the largest recorded BHM-to-BWI delay category, accounting for 59.2% of 4,246 BTS-attributed delay minutes during July 2025–June 2026.

Airline11.8%
Late aircraft59.2%
National airspace26.4%
Weather2.6%
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.