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WanderNerd

Flight Reliability

DL 4953 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 4953 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

80%
Arrive within 15 minutes
5 min
Average arrival delay
1.2%
Cancelled
11 min early
Median arrival delay

Based on 730 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon76%(104 flights)
  • Tue78%(104 flights)
  • Wed87%(104 flights)
  • Thu80%(104 flights)
  • Fri79%(102 flights)
  • Sat80%(99 flights)
  • Sun78%(104 flights)
On-time by departure window
  • 12–3 PM80%(701 flights)
  • 3–6 PM80%(20 flights)
On-time trend by month
87%
May

Jun 55% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202555%58
July 202579%62
August 202588%60
September 202585%60
October 202598%62
November 202581%59
December 202568%62
January 202671%58
February 202688%56
March 202679%62
April 202675%60
May 202687%62
Departures on time
77%
Diverted
0%
Flights flown
721
Months covered
12

Based on 730 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.