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WanderNerd

Flight Reliability

DL 5236 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5236 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

83%
Arrive within 15 minutes
3 min
Average arrival delay
0%
Cancelled
8 min early
Median arrival delay

Based on 246 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(37 flights)
  • Tue86%(35 flights)
  • Wed88%(33 flights)
  • Thu94%(32 flights)
  • Fri85%(34 flights)
  • Sat71%(34 flights)
  • Sun83%(41 flights)
On-time by departure window
  • 6–9 AM89%(79 flights)
  • 9 AM–12 PM83%(116 flights)
  • 12–3 PM85%(20 flights)
  • 3–6 PM71%(31 flights)
On-time trend by month
87%
Apr

Jun 87% → Apr 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%54
July 202585%52
August 202596%22
December 202589%18
January 202684%32
March 202658%26
April 202687%30
Departures on time
84%
Diverted
0%
Flights flown
246
Months covered
10

Based on 246 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.