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Flight Reliability

DL 5777 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5777 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

81%
Arrive within 15 minutes
6 min
Average arrival delay
3.9%
Cancelled
7 min early
Median arrival delay

Based on 482 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon86%(71 flights)
  • Tue82%(71 flights)
  • Wed85%(68 flights)
  • Thu81%(62 flights)
  • Fri70%(66 flights)
  • Sat87%(55 flights)
  • Sun78%(69 flights)
On-time by departure window
  • 6–9 AM93%(14 flights)
  • 9 AM–12 PM85%(196 flights)
  • 12–3 PM76%(25 flights)
  • 3–6 PM77%(206 flights)
  • 6–9 PM81%(21 flights)
On-time trend by month
87%
May

Jun 70% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%54
July 202588%32
August 202594%16
September 2025100%14
October 202582%51
November 202583%46
December 202581%53
January 202684%50
February 202683%41
March 202666%32
April 202679%43
May 202687%30
Departures on time
83%
Diverted
0.2%
Flights flown
462
Months covered
12

Keep nerding

Based on 482 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.