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Flight Reliability

DL 1401 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1401 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

76%
Arrive within 15 minutes
11 min
Average arrival delay
3.0%
Cancelled
3 min early
Median arrival delay

Based on 633 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon69%(85 flights)
  • Tue74%(89 flights)
  • Wed80%(91 flights)
  • Thu79%(90 flights)
  • Fri78%(87 flights)
  • Sat74%(87 flights)
  • Sun75%(85 flights)
On-time by departure window
  • 6–9 AM82%(291 flights)
  • 9 AM–12 PM70%(294 flights)
  • 12–3 PM72%(29 flights)
On-time trend by month
92%
May

Jun 83% → May 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%29
July 202568%31
August 202587%52
September 202578%58
October 202569%62
November 202585%60
December 202572%57
January 202671%55
February 202666%53
March 202670%60
April 202675%60
May 202692%37
Departures on time
81%
Diverted
0%
Flights flown
614
Months covered
12

Keep nerding

Based on 633 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.