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Flight Reliability

DL 775 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 775 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

87%
Arrive within 15 minutes
2 min early
Average arrival delay
2.6%
Cancelled
9 min early
Median arrival delay

Based on 721 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(100 flights)
  • Tue91%(104 flights)
  • Wed94%(101 flights)
  • Thu89%(104 flights)
  • Fri86%(104 flights)
  • Sat85%(89 flights)
  • Sun85%(100 flights)
On-time by departure window
  • 9 AM–12 PM87%(349 flights)
  • 12–3 PM88%(350 flights)
  • 6–9 PM—(3 flights)
On-time trend by month
86%
May

Jun 80% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%59
July 202594%62
August 202590%62
September 202588%60
October 202594%62
November 202586%58
December 202584%49
January 202684%56
February 202689%55
March 202683%59
April 202690%58
May 202686%62
Departures on time
85%
Diverted
0%
Flights flown
702
Months covered
12

Keep nerding

Based on 721 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.