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WanderNerd

Flight Reliability

DL 2024 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2024 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

74%
Arrive within 15 minutes
12 min
Average arrival delay
1.7%
Cancelled
4 min early
Median arrival delay

Based on 303 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(43 flights)
  • Tue72%(43 flights)
  • Wed73%(40 flights)
  • Thu73%(40 flights)
  • Fri72%(43 flights)
  • Sat74%(39 flights)
  • Sun77%(47 flights)
On-time by departure window
  • 6–9 AM92%(26 flights)
  • 9 AM–12 PM84%(138 flights)
  • 12–3 PM(4 flights)
  • 3–6 PM62%(95 flights)
  • 6–9 PM50%(32 flights)
On-time trend by month
90%
May

Jun 85% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202585%13
September 202549%33
October 202559%27
November 202554%24
December 202564%22
January 202670%33
February 202698%45
March 202669%36
April 202690%30
May 202690%31
Departures on time
77%
Diverted
1.0%
Flights flown
295
Months covered
11

Based on 303 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.