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Route Reliability

St. Louis → New York

STL–LGA · 888 miles · St. Louis Lambert International Airport to LaGuardia Airport

66
Usually Fine
WanderNerd Reliability Score
76%
Arrive within 15 minutes
9 min
Average arrival delay
4.1%
Cancelled
3,719
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.American Airlines82%925 flights
  2. 2.Delta Air Lines77%1,408 flights
  3. 3.Southwest Airlines71%1,386 flights

What the data says

Morning flights do better here.

STL–LGA flights departing between 3–6 AM arrived on time 98% of the time, versus 60% between 6–9 PM.

Sunday scaries are real for this one.

STL–LGA flights arrived on time 80% of the time on Wednesdays. On Sundays: 69%.

American Airlines runs this route best.

American Airlines arrived on time 82% of the time on this route; Southwest Airlines managed 71%.

Keep a backup plan handy.

This route was cancelled 4.1% of the time. Typical for U.S. flights is around 1–2%.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon75%(542 flights)
  • Tue78%(555 flights)
  • Wed80%(553 flights)
  • Thu75%(540 flights)
  • Fri76%(559 flights)
  • Sat78%(293 flights)
  • Sun69%(508 flights)
On-time by departure window
  • 3–6 AM98%(89 flights)
  • 6–9 AM89%(894 flights)
  • 9 AM–12 PM79%(874 flights)
  • 12–3 PM72%(548 flights)
  • 3–6 PM66%(704 flights)
  • 6–9 PM60%(441 flights)
On-time trend by month
77%
May

Jun 73% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%308
July 202572%311
August 202584%327
September 202587%304
October 202573%303
November 202569%288
December 202567%287
January 202686%283
February 202683%256
March 202664%286
April 202677%298
May 202677%299

Same trip, other airports

Keep nerding

Based on 3,719 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.