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WanderNerd

Flight Reliability

DL 5037 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5037 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

78%
Arrive within 15 minutes
12 min
Average arrival delay
7.7%
Cancelled
10 min early
Median arrival delay

Based on 259 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(33 flights)
  • Tue81%(32 flights)
  • Wed71%(31 flights)
  • Thu81%(32 flights)
  • Fri71%(31 flights)
  • Sat85%(46 flights)
  • Sun72%(32 flights)
On-time by departure window
  • 9 AM–12 PM82%(34 flights)
  • 12–3 PM72%(47 flights)
  • 3–6 PM86%(28 flights)
  • 6–9 PM75%(106 flights)
  • 9 PM–12 AM86%(22 flights)
On-time trend by month
93%
May

Jun 58% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202558%24
July 202567%21
August 202590%30
October 202584%19
February 202679%19
March 202678%49
April 202678%41
May 202693%14
Departures on time
80%
Diverted
0.8%
Flights flown
237
Months covered
12

Based on 259 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.