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WanderNerd

Flight Reliability

DL 854 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 854 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

76%
Arrive within 15 minutes
10 min
Average arrival delay
3.8%
Cancelled
7 min early
Median arrival delay

Based on 476 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(65 flights)
  • Tue81%(67 flights)
  • Wed80%(66 flights)
  • Thu74%(62 flights)
  • Fri78%(64 flights)
  • Sat73%(67 flights)
  • Sun67%(66 flights)
On-time by departure window
  • 6–9 AM87%(96 flights)
  • 12–3 PM(5 flights)
  • 3–6 PM72%(157 flights)
  • 6–9 PM73%(199 flights)
On-time trend by month
85%
May

Jun 54% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202554%28
July 202578%27
August 202578%51
September 202578%60
October 202585%58
November 202566%55
December 202546%35
January 202686%28
February 202682%11
March 202686%22
April 202687%30
May 202685%52
Departures on time
78%
Diverted
0.2%
Flights flown
457
Months covered
12

Based on 476 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.