Skip to content
WanderNerd

Flight Reliability

DL 1608 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1608 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

88%
Arrive within 15 minutes
3 min early
Average arrival delay
0.4%
Cancelled
10 min early
Median arrival delay

Based on 229 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(32 flights)
  • Tue91%(32 flights)
  • Wed81%(32 flights)
  • Thu94%(33 flights)
  • Fri88%(33 flights)
  • Sat93%(29 flights)
  • Sun92%(37 flights)
On-time by departure window
  • 6–9 AM83%(47 flights)
  • 9 AM–12 PM93%(97 flights)
  • 12–3 PM(4 flights)
  • 3–6 PM84%(80 flights)
On-time trend by month
90%
May

Jun 100% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%12
October 2025100%28
November 202590%29
December 202577%39
February 202694%17
March 202689%28
April 202671%28
May 202690%31
Departures on time
87%
Diverted
0%
Flights flown
228
Months covered
11

Based on 229 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.