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

Nashville, TN (BNA) to Birmingham, AL (BHM) flight delay odds

77.3% of 485 official scheduled BNA-to-BHM flights arrived on time; 10.7% arrived at least 30 minutes late and 0.8% 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
77.3%arrived on time
10.7%30+ min late
0.8%cancelled
485scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.2%all scheduled flights
120+ minutes late1.0%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+5.2 mincompleted flights

Which departure time was most reliable for BNA to BHM?

Among qualifying BNA-to-BHM departure window results, Late morning had the highest on-time rate: 85.6% of 111 flights. Night was lowest at 65.0% across 103 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning11185.6%8.1%0.0%
Afternoon25580.0%8.2%1.2%
Night10365.0%20.4%1.0%

Which weekday was most reliable for BNA to BHM?

Among qualifying BNA-to-BHM weekday results, Tuesday had the highest on-time rate: 87.1% of 70 flights. Sunday was lowest at 64.8% across 71 flights.

DayFlightsOn time30+ minCancelled
Monday6978.3%8.7%1.4%
Tuesday7087.1%7.1%0.0%
Wednesday6883.8%7.4%0.0%
Thursday6971.0%10.1%0.0%
Friday6975.4%18.8%0.0%
Saturday6981.2%10.1%1.4%
Sunday7164.8%12.7%2.8%

Which airline was most reliable for BNA to BHM?

Only Southwest Airlines met the BNA-to-BHM airline threshold: 77.3% of 485 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines48577.3%10.7%0.8%

Which month was most reliable for BNA to BHM?

Among qualifying BNA-to-BHM month results, February 2026 had the highest on-time rate: 89.3% of 28 flights. June 2026 was lowest at 61.7% across 60 flights.

MonthFlightsOn time30+ minCancelled
July 20253164.5%16.1%3.2%
August 20253183.9%16.1%0.0%
September 20253083.3%0.0%0.0%
October 20253183.9%12.9%0.0%
November 20253271.9%6.2%0.0%
December 20253171.0%3.2%0.0%
January 20263187.1%3.2%6.5%
February 20262889.3%7.1%0.0%
March 20265879.3%10.3%1.7%
April 20266086.7%8.3%0.0%
May 20266274.2%8.1%0.0%
June 20266061.7%26.7%0.0%

What drove BNA to BHM delay minutes?

Late aircraft was the largest recorded BNA-to-BHM delay category, accounting for 61.3% of 4,679 BTS-attributed delay minutes during July 2025–June 2026.

Airline30.6%
Late aircraft61.3%
National airspace7.2%
Weather0.9%
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.