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Flight Reliability

DL 2011 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2011 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

88%
Arrive within 15 minutes
1 min early
Average arrival delay
1.3%
Cancelled
10 min early
Median arrival delay

Based on 557 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon93%(80 flights)
  • Tue91%(80 flights)
  • Wed92%(82 flights)
  • Thu90%(78 flights)
  • Fri83%(80 flights)
  • Sat92%(66 flights)
  • Sun80%(84 flights)
On-time by departure window
  • 9 AM–12 PM90%(278 flights)
  • 12–3 PM87%(272 flights)
On-time trend by month
85%
May

Jun 85% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202585%58
July 202587%62
August 202587%62
September 202593%60
October 202594%62
November 202583%57
December 202591%34
March 202693%41
April 202689%54
May 202685%60
Departures on time
88%
Diverted
0%
Flights flown
550
Months covered
10

Keep nerding

Based on 557 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.