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Route Reliability

Oklahoma City → St. Louis

OKC–STL · 462 miles · Will Rogers International Airport to St. Louis Lambert International Airport

90
Nerd Approved
WanderNerd Reliability Score
87%
Arrive within 15 minutes
1 min
Average arrival delay
1.3%
Cancelled
532
Flights in the data

Data through May 2026.

Airlines on this route

  • Southwest Airlines87% on time · 531 flights
  • American Airlines100% on time · 1 flights

Too little history on this route to call a winner. We rank airlines only after 100 flights each.

What the data says

Morning-you made the right choice.

OKC–STL flights departing between 6–9 AM arrived on time 98% of the time, versus 65% between 6–9 PM.

Sunday scaries are real for this one.

OKC–STL flights arrived on time 94% of the time on Tuesdays and just 79% on Sundays. That gap is worth planning around.

Flights on this route

The breakdown

On-time by weekday
  • Mon88%(80 flights)
  • Tue94%(80 flights)
  • Wed94%(79 flights)
  • Thu84%(77 flights)
  • Fri87%(76 flights)
  • Sat87%(53 flights)
  • Sun79%(80 flights)
On-time by departure window
  • 3–6 AM94%(188 flights)
  • 6–9 AM98%(85 flights)
  • 9 AM–12 PM—(1 flights)
  • 12–3 PM—(3 flights)
  • 3–6 PM83%(194 flights)
  • 6–9 PM65%(54 flights)
On-time trend by month
93%
Feb

Jun 77% → Feb 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%60
July 202580%59
August 202591%58
September 202593%56
October 202586%58
November 202588%58
December 202587%60
January 202693%54
February 202693%55

Keep nerding

Based on 532 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.