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WanderNerd

Flight Reliability

DL 2153 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2153 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

75%
Arrive within 15 minutes
18 min
Average arrival delay
4.0%
Cancelled
2 min early
Median arrival delay

Based on 225 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(20 flights)
  • Tue74%(23 flights)
  • Wed83%(23 flights)
  • Thu72%(25 flights)
  • Fri78%(23 flights)
  • Sat73%(52 flights)
  • Sun70%(50 flights)
On-time by departure window
  • 6–9 AM81%(118 flights)
  • 9 AM–12 PM70%(46 flights)
  • 12–3 PM66%(29 flights)
  • 3–6 PM50%(16 flights)
  • 6–9 PM(7 flights)
On-time trend by month
90%
May

Jun 76% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%21
July 202575%16
August 202575%20
December 202569%16
January 202693%15
February 202654%43
March 202642%12
April 202694%17
May 202690%52
Departures on time
78%
Diverted
0%
Flights flown
216
Months covered
10

Based on 225 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.