LGA (New York) to STL (St. Louis) flights arrive on time 80% of the time. The most reliable airline on this route is SkyWest Airlines at 95%. The average delay is 68 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated August 2026.LGA → STL
LGA (New York) to STL (St. Louis)
LGA → STL on-time performance by month
This route is on time most of the time. About 80% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
SkyWest Airlines is significantly more reliable on this route at 95% on time vs Southwest Airlines at 79%.
Airline Comparison
SkyWest Airlines leads at 95% on time; Southwest Airlines trails at 79%.
Good to know
Departing from LGA
77% on timeExpect ~22 min sitting on the taxiway after your gate pushes back. LGA has long runway queues.
TSA is currently ~8 min. Best time: 4 AM (about 5 min).
LGA cancels 3.4% of flights — higher than average. Have a backup plan.
Arriving at STL
81% on timeWhen flights into STL are late, the average delay is 66 minutes. Build buffer if you have ground plans.
If connecting at STL: TSA is ~15 min right now. Allow at least 60 minutes for a domestic connection.
Flying out of LGA? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated August 2026. Source: Bureau of Transportation Statistics.