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Flight Reliability

DL 514 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 514 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

69%
Arrive within 15 minutes
14 min
Average arrival delay
1.6%
Cancelled
1 min
Median arrival delay

Based on 563 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon70%(80 flights)
  • Tue70%(76 flights)
  • Wed70%(74 flights)
  • Thu65%(79 flights)
  • Fri64%(81 flights)
  • Sat77%(79 flights)
  • Sun67%(82 flights)
On-time by departure window
  • 6–9 AM75%(191 flights)
  • 9 AM–12 PM—(2 flights)
  • 12–3 PM67%(132 flights)
  • 3–6 PM53%(47 flights)
  • 6–9 PM60%(111 flights)
  • 9 PM–12 AM82%(68 flights)
On-time trend by month
65%
May

Jun 71% → May 65% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%44
July 202557%54
August 202564%33
September 202573%48
October 202566%62
November 202564%58
December 202547%47
January 202672%29
February 202676%41
March 202682%62
April 202693%42
May 202665%31
Departures on time
77%
Diverted
0.5%
Flights flown
551
Months covered
12

Keep nerding

Based on 563 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.