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WanderNerd

Flight Reliability

DL 5038 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5038 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

66%
Arrive within 15 minutes
29 min
Average arrival delay
6.5%
Cancelled
2 min early
Median arrival delay

Based on 444 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon67%(64 flights)
  • Tue69%(65 flights)
  • Wed74%(70 flights)
  • Thu62%(65 flights)
  • Fri69%(67 flights)
  • Sat89%(18 flights)
  • Sun46%(65 flights)
On-time by departure window
  • 6–9 AM76%(75 flights)
  • 9 AM–12 PM87%(37 flights)
  • 12–3 PM76%(33 flights)
  • 3–6 PM63%(107 flights)
  • 6–9 PM56%(162 flights)
On-time trend by month
83%
May

Jun 21% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202521%47
July 202548%44
August 202579%52
September 202581%52
October 202568%50
November 202560%30
December 202550%20
January 202680%25
February 202688%25
March 202670%27
April 202683%30
May 202683%12
Departures on time
67%
Diverted
0.2%
Flights flown
414
Months covered
12

Based on 444 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.