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Flight Reliability

DL 2034 · Delta Air Lines

Atlanta → Birmingham (ATL–BHM)97% of its flights flew this route. The rest (ATL–AGS) are included in these numbers.

72
Usually Fine
WanderNerd Reliability Score
76%
Arrive within 15 minutes
12 min
Average arrival delay
2.7%
Cancelled
5 min early
Median arrival delay

Based on 331 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

DL 2034 departing between 6–9 PM arrived on time 89% of the time, versus 75% between 9 PM–12 AM.

Sunday scaries are real for this one.

DL 2034 arrived on time 84% of the time on Saturdays and just 64% on Sundays. That gap is worth planning around.

A bit behind the ATL–BHM route.

DL 2034 arrived on time 76% of the time, versus 83% across the ATL–BHM route.

A bit behind the Delta Air Lines network.

DL 2034 arrived on time 76% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon80%(50 flights)
  • Tue83%(48 flights)
  • Wed75%(44 flights)
  • Thu72%(46 flights)
  • Fri74%(42 flights)
  • Sat84%(45 flights)
  • Sun64%(47 flights)
On-time by departure window
  • 6–9 AM—(2 flights)
  • 12–3 PM—(8 flights)
  • 3–6 PM—(2 flights)
  • 6–9 PM89%(27 flights)
  • 9 PM–12 AM75%(283 flights)
On-time trend by month
83%
May

Jun 41% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202541%27
July 202573%30
August 202583%30
September 202591%21
October 202578%27
November 202581%21
December 202574%23
January 202672%29
February 202678%27
March 202676%29
April 202686%29
May 202683%29
Departures on time
77%
Diverted
0%
Flights flown
322
Months covered
12

Same route, other flights

Keep nerding

Based on 331 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.