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WanderNerd

Flight Reliability

DL 5677 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5677 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
7 min
Average arrival delay
5.0%
Cancelled
10 min early
Median arrival delay

Based on 481 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon76%(71 flights)
  • Tue77%(74 flights)
  • Wed74%(72 flights)
  • Thu75%(64 flights)
  • Fri78%(72 flights)
  • Sat78%(37 flights)
  • Sun78%(67 flights)
On-time by departure window
  • 6–9 AM92%(95 flights)
  • 9 AM–12 PM(9 flights)
  • 12–3 PM76%(147 flights)
  • 3–6 PM69%(205 flights)
  • 9 PM–12 AM(1 flights)
On-time trend by month
96%
May

Jun 73% → May 96% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%52
July 202555%44
August 202593%57
September 202587%53
October 202559%54
November 202570%47
December 202562%42
January 202693%27
February 202685%26
March 202677%13
April 202695%20
May 202696%22
Departures on time
81%
Diverted
0%
Flights flown
457
Months covered
12

Based on 481 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.