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Flight Reliability

DL 3031 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3031 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
1.3%
Cancelled
5 min early
Median arrival delay

Based on 310 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(47 flights)
  • Tue79%(42 flights)
  • Wed88%(42 flights)
  • Thu81%(48 flights)
  • Fri78%(46 flights)
  • Sat66%(32 flights)
  • Sun65%(48 flights)
On-time by departure window
  • 12–3 PM82%(73 flights)
  • 3–6 PM75%(231 flights)
  • 6–9 PM—(1 flights)
On-time trend by month
77%
May

Jun 77% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%30
July 202579%29
August 202588%17
September 202569%13
October 202572%29
November 202579%29
December 202574%19
January 202680%25
February 202689%27
March 202661%28
April 202679%28
May 202677%31
Departures on time
78%
Diverted
0.3%
Flights flown
305
Months covered
12

Keep nerding

Based on 310 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.