Skip to content
WanderNerd

Flight Reliability

WN 1833 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1833 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

86%
Arrive within 15 minutes
1 min
Average arrival delay
1.2%
Cancelled
7 min early
Median arrival delay

Based on 403 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(65 flights)
  • Tue84%(44 flights)
  • Wed86%(43 flights)
  • Thu86%(65 flights)
  • Fri86%(70 flights)
  • Sat87%(47 flights)
  • Sun89%(61 flights)
On-time by departure window
  • 3–6 AM(1 flights)
  • 6–9 AM95%(187 flights)
  • 9 AM–12 PM82%(51 flights)
  • 12–3 PM77%(111 flights)
  • 3–6 PM73%(45 flights)
On-time trend by month
96%
May

Jun 72% → May 96% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202572%29
July 202561%28
August 202595%43
September 202598%46
October 202546%24
November 202597%30
December 202590%30
January 202690%31
February 202677%31
March 202690%20
April 202690%38
May 202696%45
Departures on time
84%
Diverted
0.7%
Flights flown
395
Months covered
12

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.