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Flight Reliability

WN 1304 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1304 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

72%
Arrive within 15 minutes
12 min
Average arrival delay
0.6%
Cancelled
2 min
Median arrival delay

Based on 353 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(48 flights)
  • Tue67%(52 flights)
  • Wed65%(52 flights)
  • Thu75%(48 flights)
  • Fri74%(46 flights)
  • Sat74%(62 flights)
  • Sun72%(43 flights)
On-time by departure window
  • 3–6 AM92%(24 flights)
  • 6–9 AM63%(24 flights)
  • 9 AM–12 PM75%(96 flights)
  • 12–3 PM78%(63 flights)
  • 3–6 PM66%(101 flights)
  • 6–9 PM60%(35 flights)
  • 9 PM–12 AM—(8 flights)
On-time trend by month
66%
May

Jun 82% → May 66% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%17
July 202550%18
August 202586%29
September 202583%30
October 202573%30
November 202589%27
December 202590%31
January 202677%31
February 202656%25
March 202653%47
April 202662%34
May 202666%32
Departures on time
72%
Diverted
0%
Flights flown
351
Months covered
12

Keep nerding

Based on 353 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.