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Flight Reliability

DL 1655 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1655 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

71%
Arrive within 15 minutes
11 min
Average arrival delay
1.4%
Cancelled
2 min early
Median arrival delay

Based on 516 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon69%(78 flights)
  • Tue76%(75 flights)
  • Wed72%(74 flights)
  • Thu61%(77 flights)
  • Fri76%(75 flights)
  • Sat76%(53 flights)
  • Sun71%(76 flights)
On-time by departure window
  • 3–6 PM70%(301 flights)
  • 6–9 PM78%(27 flights)
  • 9 PM–12 AM72%(180 flights)
On-time trend by month
50%
May

Jun 69% → May 50% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%52
July 202574%53
August 202583%47
September 202567%46
October 202571%48
November 202573%41
December 202589%36
January 202684%25
February 202670%27
March 202677%31
April 202663%46
May 202650%56
Departures on time
73%
Diverted
0.2%
Flights flown
508
Months covered
12

Keep nerding

Based on 516 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.