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

Birmingham, AL (BHM) to Atlanta, GA (ATL) flight delay odds

86.7% of 3,306 official scheduled BHM-to-ATL flights arrived on time; 7.7% arrived at least 30 minutes late and 1.7% 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
86.7%arrived on time
7.7%30+ min late
1.7%cancelled
3,306scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.4%all scheduled flights
120+ minutes late2.1%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival-2.8 mincompleted flights

Which departure time was most reliable for BHM to ATL?

Among qualifying BHM-to-ATL departure window results, Late morning had the highest on-time rate: 90.9% of 690 flights. Evening was lowest at 78.8% across 591 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning1,08489.2%5.6%1.9%
Late morning69090.9%4.2%2.0%
Afternoon94185.8%9.6%1.0%
Evening59178.8%12.4%2.2%

Which weekday was most reliable for BHM to ATL?

Among qualifying BHM-to-ATL weekday results, Wednesday had the highest on-time rate: 91.1% of 451 flights. Monday was lowest at 81.1% across 502 flights.

DayFlightsOn time30+ minCancelled
Monday50281.1%9.0%3.0%
Tuesday46587.7%8.4%1.1%
Wednesday45191.1%5.3%0.2%
Thursday49288.8%6.1%0.8%
Friday50188.6%6.8%1.2%
Saturday40086.8%8.5%2.5%
Sunday49583.4%9.5%3.2%

Which airline was most reliable for BHM to ATL?

Only Delta Air Lines met the BHM-to-ATL airline threshold: 86.7% of 3,306 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines3,30686.7%7.7%1.7%

Which month was most reliable for BHM to ATL?

Among qualifying BHM-to-ATL month results, September 2025 had the highest on-time rate: 95.0% of 260 flights. May 2026 was lowest at 80.1% across 317 flights.

MonthFlightsOn time30+ minCancelled
July 202528586.0%9.5%0.4%
August 202525486.6%10.2%1.2%
September 202526095.0%3.1%0.0%
October 202528592.3%4.2%0.0%
November 202526287.8%6.9%2.7%
December 202527585.5%8.0%3.3%
January 202624582.4%6.5%4.5%
February 202623288.4%3.4%0.9%
March 202628685.0%10.1%2.1%
April 202630088.7%5.3%2.3%
May 202631780.1%12.6%1.9%
June 202630584.3%10.2%1.6%

What drove BHM to ATL delay minutes?

Airline was the largest recorded BHM-to-ATL delay category, accounting for 45.2% of 33,540 BTS-attributed delay minutes during July 2025–June 2026.

Airline45.2%
Late aircraft33.6%
National airspace17.6%
Weather3.5%
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.