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Flight Reliability

WN 1448 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1448 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
2 min
Average arrival delay
0.3%
Cancelled
6 min early
Median arrival delay

Based on 366 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(48 flights)
  • Tue83%(52 flights)
  • Wed92%(51 flights)
  • Thu87%(46 flights)
  • Fri80%(49 flights)
  • Sat90%(50 flights)
  • Sun77%(69 flights)
On-time by departure window
  • 3–6 AM90%(10 flights)
  • 6–9 AM88%(95 flights)
  • 9 AM–12 PM89%(71 flights)
  • 12–3 PM91%(89 flights)
  • 3–6 PM77%(31 flights)
  • 6–9 PM67%(69 flights)
On-time trend by month
68%
May

Jun 87% → May 68% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202587%30
August 202589%27
September 202577%26
October 202586%43
November 202593%29
December 202568%28
January 202675%12
February 202695%19
March 202692%47
April 202689%36
May 202668%38
Departures on time
79%
Diverted
0%
Flights flown
365
Months covered
12

Keep nerding

Based on 366 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.