LGA (New York) to STL (St. Louis) flights arrive on time 82% of the time. The most reliable airline on this route is SkyWest Airlines at 88%. The average delay is 75 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated March 2026.LGA → STL
LGA (New York) to STL (St. Louis)
LGA → STL on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is on time most of the time. About 82% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
SkyWest Airlines edges out Southwest Airlines on this route — 88% vs 80% on time.
Airline Comparison
SkyWest Airlines leads at 88% on time; Southwest Airlines trails at 80%.
Accurate?
Good to know
Departing from LGA
80% on timeExpect ~21 min sitting on the taxiway after your gate pushes back. LGA has long runway queues.
TSA is currently ~9 min. Best time: 4 AM (about 5 min).
LGA cancels 3.1% of flights — higher than average. Have a backup plan.
Arriving at STL
81% on timeWhen flights into STL are late, the average delay is 63 minutes. Build buffer if you have ground plans.
If connecting at STL: TSA is ~20 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what SkyWest Airlines owes you — refund rights, action plan, complaint email. Free.
Free flight briefing
Know before you go
Flying LGA → STL? We'll brief you before takeoff.
Delay riskDOT stats + live data
TSA waitCurrent checkpoint lines
WeatherBoth airports
Gate & terminalLive updates
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated March 2026. Source: Bureau of Transportation Statistics.