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Flight Reliability

DL 1481 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1481 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

90%
Arrive within 15 minutes
7 min early
Average arrival delay
2.2%
Cancelled
14 min early
Median arrival delay

Based on 716 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(99 flights)
  • Tue90%(100 flights)
  • Wed97%(100 flights)
  • Thu91%(100 flights)
  • Fri90%(102 flights)
  • Sat90%(98 flights)
  • Sun89%(100 flights)
On-time by departure window
  • 6–9 AM—(5 flights)
  • 9 AM–12 PM89%(346 flights)
  • 12–3 PM91%(348 flights)
On-time trend by month
89%
May

Jun 88% → May 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202588%59
July 202594%62
August 202594%62
September 202597%60
October 202598%61
November 202585%58
December 202584%50
January 202689%55
February 202680%56
March 202688%56
April 202695%58
May 202689%62
Departures on time
87%
Diverted
0.1%
Flights flown
699
Months covered
12

Keep nerding

Based on 716 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.