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Flight Reliability

DL 690 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 690 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

83%
Arrive within 15 minutes
3 min
Average arrival delay
0.8%
Cancelled
6 min early
Median arrival delay

Based on 353 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(52 flights)
  • Tue89%(52 flights)
  • Wed90%(51 flights)
  • Thu86%(51 flights)
  • Fri80%(51 flights)
  • Sat77%(43 flights)
  • Sun78%(50 flights)
On-time by departure window
  • 9 AM–12 PM87%(75 flights)
  • 3–6 PM88%(65 flights)
  • 9 PM–12 AM80%(210 flights)
On-time trend by month
58%
May

Jun 69% → May 58% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%29
July 202573%26
August 202579%28
September 2025100%26
October 202593%30
November 202580%30
December 202590%31
January 202687%31
February 202689%28
March 202693%30
April 202683%30
May 202658%31
Departures on time
77%
Diverted
0%
Flights flown
350
Months covered
12

Keep nerding

Based on 353 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.