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Flight Reliability

DL 1475 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1475 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

80%
Arrive within 15 minutes
3 min
Average arrival delay
2.2%
Cancelled
9 min early
Median arrival delay

Based on 318 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(48 flights)
  • Tue87%(47 flights)
  • Wed86%(42 flights)
  • Thu83%(47 flights)
  • Fri68%(50 flights)
  • Sat84%(32 flights)
  • Sun76%(45 flights)
On-time by departure window
  • 3–6 AM95%(20 flights)
  • 6–9 AM92%(12 flights)
  • 9 AM–12 PM88%(34 flights)
  • 12–3 PM81%(131 flights)
  • 3–6 PM66%(89 flights)
  • 6–9 PM92%(25 flights)
On-time trend by month
93%
May

Jul 92% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202592%12
August 202591%21
September 202590%30
October 202577%31
November 202567%27
December 202592%36
January 202690%10
February 202680%25
March 202655%49
April 202677%35
May 202693%30
Departures on time
80%
Diverted
0%
Flights flown
311
Months covered
12

Keep nerding

Based on 318 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.