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Flight Reliability

DL 1774 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1774 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

77%
Arrive within 15 minutes
14 min
Average arrival delay
2.4%
Cancelled
6 min early
Median arrival delay

Based on 334 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon76%(45 flights)
  • Tue72%(47 flights)
  • Wed80%(46 flights)
  • Thu77%(48 flights)
  • Fri76%(46 flights)
  • Sat78%(45 flights)
  • Sun80%(45 flights)
On-time by departure window
  • 12–3 PM76%(59 flights)
  • 3–6 PM74%(73 flights)
  • 9 PM–12 AM78%(190 flights)
On-time trend by month
68%
May

Jun 67% → May 68% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%21
July 202558%31
August 202577%31
September 202587%30
October 202587%31
November 202586%29
December 202581%31
January 202671%28
February 202676%25
March 202679%28
April 202692%12
May 202668%25
Departures on time
75%
Diverted
1.2%
Flights flown
322
Months covered
12

Keep nerding

Based on 334 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.