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Flight Reliability

DL 3153 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3153 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

81%
Arrive within 15 minutes
4 min
Average arrival delay
1.4%
Cancelled
4 min early
Median arrival delay

Based on 278 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon59%(39 flights)
  • Tue92%(39 flights)
  • Wed85%(40 flights)
  • Thu88%(40 flights)
  • Fri80%(39 flights)
  • Sat89%(36 flights)
  • Sun78%(41 flights)
On-time by departure window
  • 9 AM–12 PM83%(58 flights)
  • 12–3 PM85%(54 flights)
  • 6–9 PM—(1 flights)
  • 9 PM–12 AM80%(161 flights)
On-time trend by month
74%
May

Jun 70% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%37
July 202592%62
August 202585%20
December 202567%12
January 202680%30
February 202679%28
March 202676%29
April 202693%29
May 202674%27
Departures on time
84%
Diverted
0%
Flights flown
274
Months covered
9

Keep nerding

Based on 278 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.