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Flight Reliability

DL 1514 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1514 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

77%
Arrive within 15 minutes
7 min
Average arrival delay
2.4%
Cancelled
8 min early
Median arrival delay

Based on 533 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(71 flights)
  • Tue74%(73 flights)
  • Wed87%(75 flights)
  • Thu80%(76 flights)
  • Fri75%(75 flights)
  • Sat80%(73 flights)
  • Sun66%(74 flights)
On-time by departure window
  • 9 AM–12 PM78%(354 flights)
  • 3–6 PM75%(163 flights)
On-time trend by month
90%
May

Jun 78% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202578%36
July 202580%30
August 202583%30
September 202579%29
October 202574%31
November 202579%29
December 202564%39
January 202670%60
February 202660%52
March 202678%59
April 202688%60
May 202690%62
Departures on time
80%
Diverted
0.6%
Flights flown
517
Months covered
12

Keep nerding

Based on 533 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.