Skip to content
WanderNerd
Check a flight

Flight Reliability

DL 1366 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1366 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
2 min
Average arrival delay
3.4%
Cancelled
10 min early
Median arrival delay

Based on 295 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon89%(46 flights)
  • Tue89%(36 flights)
  • Wed91%(35 flights)
  • Thu80%(46 flights)
  • Fri82%(44 flights)
  • Sat71%(35 flights)
  • Sun74%(43 flights)
On-time by departure window
  • 6–9 AM87%(23 flights)
  • 9 AM–12 PM96%(84 flights)
  • 12–3 PM67%(21 flights)
  • 3–6 PM53%(17 flights)
  • 6–9 PM71%(80 flights)
  • 9 PM–12 AM90%(60 flights)
On-time trend by month
84%
May

Jun 54% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202554%26
July 202573%15
August 202582%17
September 2025100%16
November 202589%44
December 202593%14
January 202685%27
February 202673%33
March 202685%33
April 202693%29
May 202684%31
Departures on time
82%
Diverted
0%
Flights flown
285
Months covered
11

Keep nerding

Based on 295 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.