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Flight Reliability

DL 1335 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1335 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

88%
Arrive within 15 minutes
1 min early
Average arrival delay
2.2%
Cancelled
12 min early
Median arrival delay

Based on 364 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon86%(49 flights)
  • Tue92%(52 flights)
  • Wed88%(51 flights)
  • Thu87%(52 flights)
  • Fri82%(51 flights)
  • Sat92%(50 flights)
  • Sun86%(51 flights)
On-time by departure window
  • 6–9 AM87%(191 flights)
  • 9 PM–12 AM88%(165 flights)
On-time trend by month
71%
May

Jun 83% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%29
July 202590%30
August 202594%31
September 202597%29
October 202590%31
November 202575%28
December 202587%31
January 202693%29
February 202696%28
March 202683%29
April 202693%30
May 202671%31
Departures on time
87%
Diverted
0%
Flights flown
356
Months covered
12

Keep nerding

Based on 364 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.