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Flight Reliability

DL 5252 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5252 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

85%
Arrive within 15 minutes
3 min
Average arrival delay
1.8%
Cancelled
10 min early
Median arrival delay

Based on 222 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(30 flights)
  • Tue83%(30 flights)
  • Wed87%(31 flights)
  • Thu86%(29 flights)
  • Fri89%(28 flights)
  • Sat83%(40 flights)
  • Sun87%(30 flights)
On-time by departure window
  • 6–9 AM—(4 flights)
  • 9 AM–12 PM92%(138 flights)
  • 12–3 PM89%(35 flights)
  • 3–6 PM61%(41 flights)
On-time trend by month
80%
Apr

Oct 86% → Apr 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
October 202586%28
November 202597%30
December 202588%42
January 202694%33
February 202691%11
March 202665%23
April 202680%30
Departures on time
85%
Diverted
0%
Flights flown
218
Months covered
10

Keep nerding

Based on 222 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.