Skip to content
WanderNerd
Check a flight

Flight Reliability

DL 392 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 392 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
17 min
Average arrival delay
2.4%
Cancelled
5 min early
Median arrival delay

Based on 454 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(64 flights)
  • Tue83%(64 flights)
  • Wed76%(59 flights)
  • Thu72%(58 flights)
  • Fri79%(63 flights)
  • Sat86%(65 flights)
  • Sun72%(64 flights)
On-time by departure window
  • 6–9 AM83%(350 flights)
  • 3–6 PM61%(87 flights)
On-time trend by month
96%
May

Jun 64% → May 96% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202564%56
July 202560%60
August 202586%35
September 202586%29
October 202590%31
November 202579%29
December 202579%29
January 2026100%30
February 202671%28
March 202671%31
April 202676%29
May 202696%50
Departures on time
86%
Diverted
1.3%
Flights flown
437
Months covered
12

Keep nerding

Based on 454 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.