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Flight Reliability

DL 2455 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2455 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

90%
Arrive within 15 minutes
3 min early
Average arrival delay
0.2%
Cancelled
10 min early
Median arrival delay

Based on 555 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(85 flights)
  • Tue91%(86 flights)
  • Wed93%(86 flights)
  • Thu94%(82 flights)
  • Fri93%(81 flights)
  • Sat89%(45 flights)
  • Sun85%(87 flights)
On-time by departure window
  • 9 AM–12 PM91%(294 flights)
  • 12–3 PM89%(250 flights)
  • 3–6 PM—(8 flights)
On-time trend by month
96%
May

Jun 82% → May 96% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%55
July 202590%57
August 202589%52
September 202589%56
October 202598%57
November 202589%53
December 202582%60
March 202695%43
April 202689%53
May 202696%56
Departures on time
88%
Diverted
0.4%
Flights flown
552
Months covered
12

Keep nerding

Based on 555 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.