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Flight Reliability

WN 1118 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1118 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

71%
Arrive within 15 minutes
13 min
Average arrival delay
0.8%
Cancelled
2 min early
Median arrival delay

Based on 497 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(73 flights)
  • Tue84%(69 flights)
  • Wed73%(69 flights)
  • Thu65%(76 flights)
  • Fri75%(75 flights)
  • Sat75%(59 flights)
  • Sun54%(72 flights)
On-time by departure window
  • 3–6 AM84%(19 flights)
  • 6–9 AM88%(41 flights)
  • 9 AM–12 PM81%(85 flights)
  • 12–3 PM78%(54 flights)
  • 3–6 PM68%(127 flights)
  • 6–9 PM61%(117 flights)
  • 9 PM–12 AM64%(50 flights)
On-time trend by month
53%
May

Jun 93% → May 53% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%30
July 202568%31
August 202564%42
September 202579%43
October 202569%45
November 202587%30
December 202584%31
January 202681%36
February 202656%36
March 202683%30
April 202670%64
May 202653%75
Departures on time
68%
Diverted
0%
Flights flown
493
Months covered
12

Keep nerding

Based on 497 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.