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WanderNerd

Flight Reliability

DL 1697 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1697 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

67%
Arrive within 15 minutes
28 min
Average arrival delay
4.0%
Cancelled
4 min early
Median arrival delay

Based on 328 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon64%(44 flights)
  • Tue75%(47 flights)
  • Wed71%(42 flights)
  • Thu60%(40 flights)
  • Fri67%(45 flights)
  • Sat75%(48 flights)
  • Sun55%(44 flights)
On-time by departure window
  • 6–9 AM(5 flights)
  • 9 AM–12 PM90%(49 flights)
  • 12–3 PM58%(95 flights)
  • 3–6 PM64%(90 flights)
  • 6–9 PM60%(53 flights)
  • 9 PM–12 AM89%(18 flights)
On-time trend by month
84%
May

Jun 52% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202552%29
July 202554%26
August 202571%31
September 202579%28
October 202576%29
November 202557%28
December 202558%24
January 202658%33
February 202650%26
April 2026100%19
May 202684%31
Departures on time
66%
Diverted
1.5%
Flights flown
310
Months covered
12

Based on 328 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.