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WanderNerd

Flight Reliability

DL 1308 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1308 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

77%
Arrive within 15 minutes
6 min
Average arrival delay
1.5%
Cancelled
5 min early
Median arrival delay

Based on 330 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(51 flights)
  • Tue83%(41 flights)
  • Wed78%(27 flights)
  • Thu69%(39 flights)
  • Fri76%(54 flights)
  • Sat84%(75 flights)
  • Sun71%(38 flights)
On-time by departure window
  • 12–3 AM75%(44 flights)
  • 3–6 AM94%(16 flights)
  • 6–9 AM81%(42 flights)
  • 9 AM–12 PM82%(89 flights)
  • 12–3 PM73%(86 flights)
  • 3–6 PM69%(48 flights)
On-time trend by month
96%
May

Jun 87% → May 96% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%15
July 202564%14
August 202573%15
September 202590%20
October 2025100%13
November 202570%10
December 202575%24
January 202656%48
February 202677%48
March 202679%58
April 202679%34
May 202696%26
Departures on time
79%
Diverted
0%
Flights flown
325
Months covered
12

Based on 330 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.