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WanderNerd

Flight Reliability

DL 1101 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1101 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

77%
Arrive within 15 minutes
12 min
Average arrival delay
1.8%
Cancelled
7 min early
Median arrival delay

Based on 501 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon73%(70 flights)
  • Tue73%(69 flights)
  • Wed78%(67 flights)
  • Thu77%(68 flights)
  • Fri83%(71 flights)
  • Sat84%(77 flights)
  • Sun74%(69 flights)
On-time by departure window
  • 6–9 AM(3 flights)
  • 9 AM–12 PM(5 flights)
  • 12–3 PM84%(89 flights)
  • 3–6 PM75%(394 flights)
On-time trend by month
79%
May

Jun 77% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%30
July 202565%34
August 202576%54
September 202588%60
October 202584%62
November 202581%58
December 202552%42
January 202679%24
February 202685%13
March 202673%26
April 202684%32
May 202679%56
Departures on time
74%
Diverted
0.2%
Flights flown
491
Months covered
12

Based on 501 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.