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Flight Reliability

DL 5158 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5158 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

75%
Arrive within 15 minutes
11 min
Average arrival delay
2.7%
Cancelled
7 min early
Median arrival delay

Based on 332 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(53 flights)
  • Tue71%(51 flights)
  • Wed74%(49 flights)
  • Thu82%(50 flights)
  • Fri73%(51 flights)
  • Sat84%(19 flights)
  • Sun68%(50 flights)
On-time by departure window
  • 6–9 AM93%(14 flights)
  • 12–3 PM75%(145 flights)
  • 3–6 PM73%(127 flights)
  • 6–9 PM75%(36 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
53%
May

Aug 84% → May 53% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 202584%25
September 202582%34
October 202583%46
November 202571%28
December 202586%44
January 202677%30
February 202674%23
March 202662%29
April 202671%28
May 202653%30
Departures on time
73%
Diverted
0%
Flights flown
323
Months covered
11

Keep nerding

Based on 332 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.