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Flight Reliability

DL 5266 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5266 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
10 min
Average arrival delay
1.8%
Cancelled
9 min early
Median arrival delay

Based on 489 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon73%(74 flights)
  • Tue73%(75 flights)
  • Wed87%(71 flights)
  • Thu79%(71 flights)
  • Fri75%(73 flights)
  • Sat74%(38 flights)
  • Sun72%(74 flights)
On-time by departure window
  • 12–3 PM—(4 flights)
  • 3–6 PM75%(409 flights)
  • 6–9 PM84%(63 flights)
On-time trend by month
80%
May

Jun 62% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%50
July 202565%62
August 202567%49
September 202595%37
November 202575%32
December 202574%50
January 202696%26
February 202683%18
March 202683%41
April 202679%52
May 202680%50
Departures on time
74%
Diverted
0.8%
Flights flown
476
Months covered
12

Keep nerding

Based on 489 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.