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Flight Reliability

DL 5814 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5814 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

79%
Arrive within 15 minutes
4 min
Average arrival delay
3.4%
Cancelled
9 min early
Median arrival delay

Based on 322 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(46 flights)
  • Tue88%(49 flights)
  • Wed85%(48 flights)
  • Thu77%(48 flights)
  • Fri69%(51 flights)
  • Sat71%(34 flights)
  • Sun77%(35 flights)
On-time by departure window
  • 6–9 AM92%(106 flights)
  • 9 AM–12 PM96%(47 flights)
  • 12–3 PM—(2 flights)
  • 3–6 PM66%(156 flights)
On-time trend by month
60%
May

Jun 84% → May 60% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202584%25
July 202588%25
August 2025100%42
September 202592%52
December 202550%12
January 202685%27
February 202669%26
March 202670%30
April 202657%30
May 202660%30
Departures on time
81%
Diverted
0%
Flights flown
311
Months covered
12

Keep nerding

Based on 322 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.