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Flight Reliability

DL 1224 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1224 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

71%
Arrive within 15 minutes
18 min
Average arrival delay
4.3%
Cancelled
3 min early
Median arrival delay

Based on 350 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(50 flights)
  • Tue77%(51 flights)
  • Wed76%(53 flights)
  • Thu50%(54 flights)
  • Fri78%(50 flights)
  • Sat93%(28 flights)
  • Sun61%(44 flights)
On-time by departure window
  • 9 AM–12 PM—(7 flights)
  • 3–6 PM87%(110 flights)
  • 6–9 PM59%(179 flights)
  • 9 PM–12 AM79%(34 flights)
On-time trend by month
83%
Apr

Jun 59% → Apr 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202559%29
July 202562%26
August 202573%30
September 202572%25
October 202546%26
November 202548%23
December 202550%14
January 202690%40
February 202680%44
March 202682%34
April 202683%30
Departures on time
68%
Diverted
1.4%
Flights flown
330
Months covered
12

Keep nerding

Based on 350 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.