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Flight Reliability

DL 5366 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5366 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

85%
Arrive within 15 minutes
0 min
Average arrival delay
2.4%
Cancelled
14 min early
Median arrival delay

Based on 329 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(49 flights)
  • Tue84%(51 flights)
  • Wed94%(51 flights)
  • Thu98%(50 flights)
  • Fri79%(48 flights)
  • Sat80%(25 flights)
  • Sun75%(47 flights)
On-time by departure window
  • 6–9 AM88%(201 flights)
  • 9 AM–12 PM79%(77 flights)
  • 12–3 PM—(7 flights)
  • 3–6 PM86%(36 flights)
On-time trend by month
79%
May

Jun 86% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%14
August 202586%21
September 202590%30
October 2025100%31
November 202590%29
December 202579%19
January 202688%25
February 202682%11
March 202678%37
April 202685%52
May 202679%52
Departures on time
87%
Diverted
0%
Flights flown
321
Months covered
11

Keep nerding

Based on 329 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.