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WanderNerd

Flight Reliability

DL 1690 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1690 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 early
Average arrival delay
0.9%
Cancelled
8 min early
Median arrival delay

Based on 324 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(57 flights)
  • Tue87%(46 flights)
  • Wed93%(41 flights)
  • Thu81%(52 flights)
  • Fri77%(56 flights)
  • Sat78%(18 flights)
  • Sun88%(51 flights)
On-time by departure window
  • 6–9 AM91%(74 flights)
  • 3–6 PM76%(137 flights)
  • 6–9 PM89%(110 flights)
On-time trend by month
67%
May

Jun 88% → May 67% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202588%24
July 202570%23
October 202592%26
November 202593%30
December 202581%36
January 202689%28
February 202689%18
March 202687%46
April 202687%52
May 202667%30
Departures on time
85%
Diverted
0%
Flights flown
321
Months covered
11

Based on 324 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.