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Flight Reliability

DL 681 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 681 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
5 min
Average arrival delay
0.6%
Cancelled
5 min early
Median arrival delay

Based on 360 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(52 flights)
  • Tue75%(52 flights)
  • Wed83%(52 flights)
  • Thu81%(52 flights)
  • Fri60%(50 flights)
  • Sat92%(47 flights)
  • Sun70%(53 flights)
On-time by departure window
  • 3–6 AM81%(16 flights)
  • 6–9 AM79%(129 flights)
  • 9 AM–12 PM89%(131 flights)
  • 6–9 PM51%(82 flights)
On-time trend by month
58%
May

Jun 52% → May 58% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202552%29
July 202550%28
August 202586%28
September 202597%30
October 202584%31
November 202590%30
December 202587%31
January 202665%31
February 202686%28
March 202681%31
April 202683%30
May 202658%31
Departures on time
83%
Diverted
0%
Flights flown
358
Months covered
12

Keep nerding

Based on 360 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.