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Flight Reliability

WN 2604 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2604 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

76%
Arrive within 15 minutes
8 min
Average arrival delay
1.0%
Cancelled
4 min early
Median arrival delay

Based on 287 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(41 flights)
  • Tue83%(42 flights)
  • Wed70%(40 flights)
  • Thu76%(38 flights)
  • Fri71%(42 flights)
  • Sat81%(43 flights)
  • Sun66%(38 flights)
On-time by departure window
  • 3–6 AM—(4 flights)
  • 6–9 AM92%(71 flights)
  • 9 AM–12 PM91%(35 flights)
  • 12–3 PM78%(18 flights)
  • 3–6 PM73%(81 flights)
  • 6–9 PM56%(75 flights)
On-time trend by month
36%
May

Jun 80% → May 36% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%25
July 202563%27
August 202587%30
September 202590%30
November 202590%20
December 2025100%16
January 202692%25
February 202688%17
March 202686%28
April 202647%30
May 202636%31
Departures on time
70%
Diverted
0%
Flights flown
284
Months covered
12

Keep nerding

Based on 287 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.