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Flight Reliability

DL 1153 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1153 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

79%
Arrive within 15 minutes
7 min
Average arrival delay
2.2%
Cancelled
3 min early
Median arrival delay

Based on 595 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(83 flights)
  • Tue83%(83 flights)
  • Wed81%(84 flights)
  • Thu86%(85 flights)
  • Fri80%(84 flights)
  • Sat77%(81 flights)
  • Sun72%(82 flights)
On-time by departure window
  • 6–9 AM—(5 flights)
  • 9 AM–12 PM79%(349 flights)
  • 12–3 PM80%(227 flights)
  • 6–9 PM—(1 flights)
On-time trend by month
77%
May

Jun 75% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%59
July 202569%62
August 202578%41
September 202593%30
October 202590%29
November 202590%29
December 202573%41
January 202679%58
February 202682%56
March 202677%57
April 202685%58
May 202677%62
Departures on time
82%
Diverted
0%
Flights flown
582
Months covered
12

Keep nerding

Based on 595 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.