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WanderNerd

Flight Reliability

DL 2855 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2855 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

78%
Arrive within 15 minutes
11 min
Average arrival delay
0.4%
Cancelled
6 min early
Median arrival delay

Based on 237 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(28 flights)
  • Tue62%(26 flights)
  • Wed89%(26 flights)
  • Thu89%(28 flights)
  • Fri88%(24 flights)
  • Sat72%(53 flights)
  • Sun77%(51 flights)
On-time by departure window
  • 6–9 AM80%(20 flights)
  • 9 AM–12 PM72%(32 flights)
  • 12–3 PM58%(12 flights)
  • 3–6 PM81%(172 flights)
On-time trend by month
80%
May

Jun 78% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202578%18
July 202577%22
August 202550%18
December 202581%21
January 202677%31
February 202689%28
March 202674%31
April 202683%30
May 202680%30
Departures on time
81%
Diverted
0%
Flights flown
236
Months covered
11

Based on 237 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.