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Flight Reliability

DL 4952 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 4952 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

73%
Arrive within 15 minutes
8 min
Average arrival delay
2.7%
Cancelled
11 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(51 flights)
  • Tue77%(52 flights)
  • Wed84%(50 flights)
  • Thu70%(50 flights)
  • Fri64%(52 flights)
  • Sat72%(47 flights)
  • Sun67%(51 flights)
On-time by departure window
  • 9 AM–12 PM70%(149 flights)
  • 12–3 PM71%(118 flights)
  • 3–6 PM81%(75 flights)
  • 6–9 PM64%(11 flights)
On-time trend by month
74%
May

Oct 96% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
October 202596%46
November 202567%54
December 202541%54
January 202687%30
February 202685%26
March 202666%29
April 202677%47
May 202674%62
Departures on time
73%
Diverted
0.5%
Flights flown
353
Months covered
10

Keep nerding

Based on 365 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.