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Flight Reliability

DL 3918 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3918 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

84%
Arrive within 15 minutes
2 min
Average arrival delay
0.3%
Cancelled
8 min early
Median arrival delay

Based on 683 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon89%(98 flights)
  • Tue87%(98 flights)
  • Wed84%(96 flights)
  • Thu78%(96 flights)
  • Fri83%(97 flights)
  • Sat94%(96 flights)
  • Sun76%(100 flights)
On-time by departure window
  • 12–3 PM91%(77 flights)
  • 3–6 PM84%(580 flights)
  • 6–9 PM—(3 flights)
  • 9 PM–12 AM67%(21 flights)
On-time trend by month
55%
May

Jun 77% → May 55% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%60
July 202590%62
August 202586%62
September 202588%60
October 202586%62
November 202595%57
December 202592%47
January 202686%57
February 202695%56
March 202677%60
April 202688%42
May 202655%56
Departures on time
88%
Diverted
0%
Flights flown
681
Months covered
12

Keep nerding

Based on 683 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.