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Flight Reliability

DL 5737 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5737 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

76%
Arrive within 15 minutes
4 min
Average arrival delay
5.1%
Cancelled
8 min early
Median arrival delay

Based on 430 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(61 flights)
  • Tue79%(63 flights)
  • Wed60%(62 flights)
  • Thu80%(59 flights)
  • Fri69%(65 flights)
  • Sat92%(37 flights)
  • Sun76%(59 flights)
On-time by departure window
  • 6–9 AM82%(45 flights)
  • 9 AM–12 PM80%(79 flights)
  • 12–3 PM79%(136 flights)
  • 3–6 PM70%(99 flights)
  • 6–9 PM66%(47 flights)
On-time trend by month
69%
May

Jun 78% → May 69% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202578%55
July 202564%56
August 202580%61
September 202582%11
October 202578%23
November 202587%23
December 202572%25
January 202679%48
February 202690%30
March 202670%23
April 202664%25
May 202669%26
Departures on time
77%
Diverted
0.5%
Flights flown
406
Months covered
12

Keep nerding

Based on 430 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.