Skip to content
WanderNerd

Flight Reliability

DL 3888 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3888 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
15 min
Average arrival delay
1.3%
Cancelled
8 min early
Median arrival delay

Based on 303 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(44 flights)
  • Tue84%(45 flights)
  • Wed82%(45 flights)
  • Thu85%(39 flights)
  • Fri64%(42 flights)
  • Sat80%(39 flights)
  • Sun76%(45 flights)
On-time by departure window
  • 3–6 AM(7 flights)
  • 6–9 AM80%(139 flights)
  • 9 AM–12 PM63%(16 flights)
  • 12–3 PM79%(24 flights)
  • 3–6 PM82%(62 flights)
  • 6–9 PM(6 flights)
  • 9 PM–12 AM71%(45 flights)
On-time trend by month
83%
May

Jun 72% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202572%29
July 202587%31
August 2025100%10
November 202586%22
December 202572%39
January 202675%28
February 202672%25
March 202677%31
April 202677%48
May 202683%36
Departures on time
80%
Diverted
0%
Flights flown
299
Months covered
10

Based on 303 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.