Skip to content
WanderNerd
Check a flight

Flight Reliability

DL 2646 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2646 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

61%
Arrive within 15 minutes
25 min
Average arrival delay
4.4%
Cancelled
0 min
Median arrival delay

Based on 428 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon57%(60 flights)
  • Tue66%(65 flights)
  • Wed57%(65 flights)
  • Thu64%(56 flights)
  • Fri69%(65 flights)
  • Sat59%(32 flights)
  • Sun53%(62 flights)
On-time by departure window
  • 12–3 PM60%(10 flights)
  • 3–6 PM60%(238 flights)
  • 6–9 PM64%(156 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
73%
May

Jun 56% → May 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202556%55
July 202551%53
August 202569%54
September 202553%38
October 202537%27
November 202573%22
December 202559%17
March 202665%34
April 202668%50
May 202673%55
Departures on time
59%
Diverted
0.9%
Flights flown
405
Months covered
10

Keep nerding

Based on 428 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.