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Flight Reliability

WN 313 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 313 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

75%
Arrive within 15 minutes
6 min
Average arrival delay
0.2%
Cancelled
2 min early
Median arrival delay

Based on 403 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon64%(61 flights)
  • Tue77%(44 flights)
  • Wed80%(46 flights)
  • Thu77%(62 flights)
  • Fri76%(66 flights)
  • Sat83%(47 flights)
  • Sun70%(74 flights)
On-time by departure window
  • 3–6 AM95%(20 flights)
  • 6–9 AM98%(43 flights)
  • 9 AM–12 PM77%(132 flights)
  • 12–3 PM66%(112 flights)
  • 3–6 PM74%(39 flights)
  • 6–9 PM61%(54 flights)
On-time trend by month
66%
May

Jun 61% → May 66% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202561%44
July 202566%47
August 202544%18
September 202567%12
October 202590%30
November 2025100%54
December 202574%35
January 202687%15
February 202659%29
March 202684%45
April 202675%36
May 202666%35
Departures on time
68%
Diverted
0.5%
Flights flown
400
Months covered
12

Keep nerding

Based on 403 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.