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

Dallas, TX (DAL) to Birmingham, AL (BHM) flight delay odds

70.9% of 975 official scheduled DAL-to-BHM flights arrived on time; 17.1% arrived at least 30 minutes late and 1.6% 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
70.9%arrived on time
17.1%30+ min late
1.6%cancelled
975scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.9%all scheduled flights
120+ minutes late2.6%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+10.6 mincompleted flights

Which departure time was most reliable for DAL to BHM?

Among qualifying DAL-to-BHM departure window results, Early morning had the highest on-time rate: 90.1% of 161 flights. Night was lowest at 45.7% across 94 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning16190.1%5.6%0.6%
Late morning14283.1%10.6%1.4%
Afternoon33571.9%14.9%1.2%
Evening24359.3%24.3%2.5%
Night9445.7%36.2%3.2%

Which weekday was most reliable for DAL to BHM?

Among qualifying DAL-to-BHM weekday results, Wednesday had the highest on-time rate: 78.3% of 138 flights. Sunday was lowest at 62.9% across 143 flights.

DayFlightsOn time30+ minCancelled
Monday15374.5%11.8%2.6%
Tuesday14273.9%14.1%3.5%
Wednesday13878.3%10.9%0.7%
Thursday15265.8%19.1%0.7%
Friday15172.2%19.2%0.7%
Saturday9667.7%27.1%1.0%
Sunday14362.9%21.0%2.1%

Which airline was most reliable for DAL to BHM?

Only Southwest Airlines met the DAL-to-BHM airline threshold: 70.9% of 975 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines97570.9%17.1%1.6%

Which month was most reliable for DAL to BHM?

Among qualifying DAL-to-BHM month results, September 2025 had the highest on-time rate: 86.3% of 73 flights. June 2026 was lowest at 50.0% across 86 flights.

MonthFlightsOn time30+ minCancelled
July 20258472.6%13.1%3.6%
August 20257669.7%22.4%0.0%
September 20257386.3%11.0%0.0%
October 20258368.7%16.9%1.2%
November 20258672.1%16.3%1.2%
December 20259180.2%12.1%0.0%
January 20266885.3%5.9%4.4%
February 20266771.6%13.4%1.5%
March 20268766.7%21.8%1.1%
April 20268667.4%18.6%1.2%
May 20268864.8%18.2%3.4%
June 20268650.0%32.6%2.3%

What drove DAL to BHM delay minutes?

Late aircraft was the largest recorded DAL-to-BHM delay category, accounting for 55.2% of 14,615 BTS-attributed delay minutes during July 2025–June 2026.

Airline27.6%
Late aircraft55.2%
National airspace14.2%
Weather1.8%
Security1.2%
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.