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WanderNerd

Flight Reliability

DL 1100 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1100 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

86%
Arrive within 15 minutes
0 min
Average arrival delay
2.2%
Cancelled
5 min early
Median arrival delay

Based on 536 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(79 flights)
  • Tue82%(81 flights)
  • Wed87%(79 flights)
  • Thu91%(80 flights)
  • Fri91%(77 flights)
  • Sat87%(52 flights)
  • Sun84%(76 flights)
On-time by departure window
  • 6–9 AM84%(202 flights)
  • 9 AM–12 PM87%(304 flights)
  • 9 PM–12 AM83%(18 flights)
On-time trend by month
74%
May

Jun 83% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%42
July 202585%46
August 202594%49
September 202598%46
October 202577%53
November 202585%47
December 202586%43
January 202676%29
February 202687%37
March 202682%60
April 202695%41
May 202674%31
Departures on time
87%
Diverted
0%
Flights flown
524
Months covered
12

Based on 536 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.