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Route Reliability

Atlanta → Birmingham

ATL–BHM · 134 miles · Hartsfield–Jackson Atlanta International Airport to Birmingham–Shuttlesworth International Airport

83
Pretty Reliable
WanderNerd Reliability Score
83%
Arrive within 15 minutes
4 min
Average arrival delay
1.9%
Cancelled
3,269
Flights in the data

Data through May 2026.

Delta Air Lines is the only airline in this data on this route, arriving on time 83% of the time across 3,269 flights. No comparison to make.

What the data says

Morning-you made the right choice.

ATL–BHM flights departing between 6–9 AM arrived on time 93% of the time, versus 79% between 3–6 PM.

Wednesday has been the better bet.

A small edge: 86% on time on Wednesdays against 79% on Mondays.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon79%(487 flights)
  • Tue85%(446 flights)
  • Wed86%(442 flights)
  • Thu86%(484 flights)
  • Fri82%(475 flights)
  • Sat82%(386 flights)
  • Sun82%(483 flights)
On-time by departure window
  • 6–9 AM93%(349 flights)
  • 9 AM–12 PM88%(447 flights)
  • 12–3 PM85%(575 flights)
  • 3–6 PM79%(653 flights)
  • 6–9 PM80%(645 flights)
  • 9 PM–12 AM80%(534 flights)
On-time trend by month
79%
May

Jun 68% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%254
July 202574%284
August 202585%250
September 202592%260
October 202590%286
November 202588%254
December 202581%267
January 202678%233
February 202688%231
March 202683%280
April 202689%293
May 202679%311

Keep nerding

Based on 3,269 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.