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Flight Reliability

DL 1392 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1392 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
9 min
Average arrival delay
2.8%
Cancelled
8 min early
Median arrival delay

Based on 354 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon72%(50 flights)
  • Tue74%(54 flights)
  • Wed73%(51 flights)
  • Thu70%(50 flights)
  • Fri78%(49 flights)
  • Sat84%(43 flights)
  • Sun79%(47 flights)
On-time by departure window
  • 6–9 AM85%(53 flights)
  • 9 AM–12 PM82%(89 flights)
  • 12–3 PM96%(23 flights)
  • 3–6 PM67%(52 flights)
  • 6–9 PM82%(39 flights)
  • 9 PM–12 AM59%(88 flights)
On-time trend by month
91%
May

Jun 50% → May 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202550%30
July 202555%31
August 202565%31
September 2025100%25
October 202577%26
November 202586%22
December 202587%15
January 202679%19
February 202663%27
March 202664%33
April 202690%50
May 202691%35
Departures on time
78%
Diverted
0%
Flights flown
344
Months covered
12

Keep nerding

Based on 354 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.