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Flight Reliability

DL 1480 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1480 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

84%
Arrive within 15 minutes
7 min
Average arrival delay
1.1%
Cancelled
10 min early
Median arrival delay

Based on 361 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon87%(47 flights)
  • Tue83%(53 flights)
  • Wed94%(47 flights)
  • Thu90%(50 flights)
  • Fri79%(56 flights)
  • Sat81%(48 flights)
  • Sun77%(56 flights)
On-time by departure window
  • 6–9 AM96%(23 flights)
  • 9 AM–12 PM92%(226 flights)
  • 12–3 PM77%(35 flights)
  • 3–6 PM66%(38 flights)
  • 6–9 PM54%(35 flights)
On-time trend by month
68%
May

Jun 80% → May 68% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%35
July 202593%28
August 202593%28
September 202596%27
October 2025100%30
November 202593%29
December 202561%36
January 202668%19
February 202694%34
March 202678%36
April 202685%27
May 202668%28
Departures on time
82%
Diverted
0%
Flights flown
357
Months covered
12

Keep nerding

Based on 361 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.