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Flight Reliability

DL 3658 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3658 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

79%
Arrive within 15 minutes
20 min
Average arrival delay
2.6%
Cancelled
4 min early
Median arrival delay

Based on 194 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon76%(29 flights)
  • Tue68%(31 flights)
  • Wed75%(32 flights)
  • Thu87%(30 flights)
  • Fri80%(30 flights)
  • Sat80%(15 flights)
  • Sun91%(22 flights)
On-time by departure window
  • 6–9 AM56%(16 flights)
  • 9 AM–12 PM76%(99 flights)
  • 12–3 PM85%(53 flights)
  • 3–6 PM95%(21 flights)
On-time trend by month
94%
Apr

Jun 91% → Apr 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202591%23
August 202590%10
September 2025100%16
December 202550%32
January 202668%22
February 202678%45
March 202686%14
April 202694%16
Departures on time
79%
Diverted
0%
Flights flown
189
Months covered
10

Keep nerding

Based on 194 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.