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WanderNerd

Flight Reliability

DL 5337 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5337 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

82%
Arrive within 15 minutes
3 min
Average arrival delay
3.0%
Cancelled
11 min early
Median arrival delay

Based on 335 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(45 flights)
  • Tue76%(50 flights)
  • Wed92%(50 flights)
  • Thu77%(48 flights)
  • Fri82%(50 flights)
  • Sat76%(33 flights)
  • Sun82%(49 flights)
On-time by departure window
  • 6–9 AM82%(225 flights)
  • 9 AM–12 PM81%(93 flights)
  • 12–3 PM(1 flights)
  • 3–6 PM(5 flights)
  • 9 PM–12 AM(1 flights)
On-time trend by month
87%
May

Sep 91% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
September 202591%34
October 202583%59
November 202574%50
December 202577%31
January 202684%25
February 202689%28
March 202680%30
April 202667%30
May 202687%30
Departures on time
87%
Diverted
0%
Flights flown
325
Months covered
11

Based on 335 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.