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WanderNerd

Flight Reliability

DL 1718 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1718 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

71%
Arrive within 15 minutes
14 min
Average arrival delay
0.9%
Cancelled
6 min early
Median arrival delay

Based on 212 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(32 flights)
  • Tue66%(32 flights)
  • Wed78%(27 flights)
  • Thu89%(28 flights)
  • Fri68%(34 flights)
  • Sat63%(27 flights)
  • Sun60%(30 flights)
On-time by departure window
  • 6–9 AM(2 flights)
  • 9 AM–12 PM(2 flights)
  • 12–3 PM(2 flights)
  • 3–6 PM70%(125 flights)
  • 6–9 PM70%(70 flights)
  • 9 PM–12 AM(9 flights)
On-time trend by month
61%
May

Jun 64% → May 61% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202564%11
September 202585%13
October 202589%27
November 202570%10
December 202550%18
January 202664%33
February 202682%27
April 202669%16
May 202661%43
Departures on time
72%
Diverted
0%
Flights flown
210
Months covered
11

Based on 212 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.