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

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

80.4% of 341 official scheduled BWI-to-BHM flights arrived on time; 9.1% arrived at least 30 minutes late and 1.2% 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 SIGNALLower disruption
80.4%arrived on time
9.1%30+ min late
1.2%cancelled
341scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late3.8%all scheduled flights
120+ minutes late1.8%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+2.8 mincompleted flights

Which departure time was most reliable for BWI to BHM?

Among qualifying BWI-to-BHM departure window results, Late morning had the highest on-time rate: 86.7% of 165 flights. Afternoon was lowest at 71.9% across 139 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning16586.7%6.1%1.8%
Afternoon13971.9%14.4%0.0%

Which weekday was most reliable for BWI to BHM?

Among qualifying BWI-to-BHM weekday results, Wednesday had the highest on-time rate: 88.5% of 52 flights. Thursday was lowest at 69.2% across 52 flights.

DayFlightsOn time30+ minCancelled
Monday5275.0%13.5%1.9%
Tuesday5386.8%3.8%0.0%
Wednesday5288.5%5.8%1.9%
Thursday5269.2%15.4%0.0%
Friday5288.5%7.7%0.0%
Sunday5969.5%10.2%3.4%

Which airline was most reliable for BWI to BHM?

Only Southwest Airlines met the BWI-to-BHM airline threshold: 80.4% of 341 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines34180.4%9.1%1.2%

Which month was most reliable for BWI to BHM?

Among qualifying BWI-to-BHM month results, November 2025 had the highest on-time rate: 93.5% of 31 flights. August 2025 was lowest at 71.4% across 28 flights.

MonthFlightsOn time30+ minCancelled
July 20253571.4%14.3%5.7%
August 20252871.4%10.7%0.0%
September 20252680.8%3.8%0.0%
October 20252777.8%3.7%0.0%
November 20253193.5%0.0%0.0%
December 20253183.9%9.7%0.0%
January 20262788.9%3.7%7.4%
February 20262788.9%7.4%0.0%
March 20262774.1%18.5%0.0%
April 20262684.6%7.7%0.0%
May 20262673.1%11.5%0.0%
June 20263076.7%16.7%0.0%

What drove BWI to BHM delay minutes?

Airline was the largest recorded BWI-to-BHM delay category, accounting for 50.3% of 3,242 BTS-attributed delay minutes during July 2025–June 2026.

Airline50.3%
Late aircraft24.1%
National airspace14.0%
Weather11.2%
Security0.3%
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.