Skip to content
WanderNerd
Check a flight

Flight Reliability

DL 5379 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5379 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

83%
Arrive within 15 minutes
4 min
Average arrival delay
0.4%
Cancelled
10 min early
Median arrival delay

Based on 464 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(70 flights)
  • Tue84%(73 flights)
  • Wed78%(73 flights)
  • Thu82%(73 flights)
  • Fri82%(72 flights)
  • Sat97%(37 flights)
  • Sun84%(64 flights)
On-time by departure window
  • 6–9 AM92%(210 flights)
  • 12–3 PM74%(187 flights)
  • 3–6 PM83%(46 flights)
  • 6–9 PM79%(19 flights)
On-time trend by month
77%
May

Jun 93% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%28
July 202577%31
August 202597%31
September 2025100%30
October 202597%31
November 202597%30
December 202583%30
January 202682%45
February 202682%44
March 202667%54
April 202673%56
May 202677%52
Departures on time
83%
Diverted
0%
Flights flown
462
Months covered
12

Keep nerding

Based on 464 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.