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Flight Reliability

DL 1424 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1424 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

90%
Arrive within 15 minutes
1 min early
Average arrival delay
2.1%
Cancelled
8 min early
Median arrival delay

Based on 701 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon88%(100 flights)
  • Tue89%(104 flights)
  • Wed95%(104 flights)
  • Thu93%(103 flights)
  • Fri92%(103 flights)
  • Sat92%(71 flights)
  • Sun79%(100 flights)
On-time by departure window
  • 6–9 AM90%(105 flights)
  • 9 AM–12 PM90%(573 flights)
  • 12–3 PM—(7 flights)
On-time trend by month
92%
May

Jun 72% → May 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202572%58
July 202586%62
August 202597%59
September 202598%60
October 202590%62
November 202598%59
December 202584%57
January 202695%56
February 202688%56
March 202691%54
April 202687%52
May 202692%50
Departures on time
90%
Diverted
0.1%
Flights flown
685
Months covered
12

Keep nerding

Based on 701 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.