St Louis to Mount Vernon (STL–4I3) — Airlines, Schedules & Connections
Flight Schedule
Charter / private
Verified 4m ago
Charter / private route. No scheduled airline service — operated by charter & private aviation.
Flight
Airline
AC
Dep
Arr
Dur
OTP
Sched
Outbound Day
Return Day
✈ Nonstop
Aircraft
Terminals
On-Time
performance
Schedule
Unknown
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
✦ 1-Stop
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Separate tickets — book each leg independently. Collect and recheck bags at .
Hub OTP
No data
Combos
No data
Fastest
estimated
Schedule
Unknown
Leg 1
Leg 2
✧ 2-Stop
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Separate tickets — book each leg independently. Collect and recheck bags at each hub.
bottleneck
Layover
OTP
No data
Combos
No data
bottleneck
Layover
OTP
No data
Combos
No data
Leg 1
Leg 2
Leg 3
St Louis to Mount Vernon
Flown by charter / private operators — no scheduled airline service.
432 mi
+1h ahead
STL–4I3 has no scheduled airline service; it is flown by charter / private operators.
Reliability
On-Time Performance
What to expect at each end of your journey.
Outbound
STL → 4I3
80%
Generally reliable. Most flights run on time.
Departing
80%
Return
4I3 → STL
62%
Moderate delays possible. Allow buffer time.
Arriving
62%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots.
STL delays →
Know before you go
Travel Essentials
Practical planning for this route.
Time Difference
+1h
Mount Vernon is 1 hour
ahead of
St Louis.
STL: CDT · 4I3: EDT
When it's 6:00 PM in St Louis, it's 7:00 PM in Mount Vernon.
STL: CDT · 4I3: EDT
When it's 6:00 PM in St Louis, it's 7:00 PM in Mount Vernon.
Distance & Flight Time
432 mi / 695 km
Facts
STL–4I3 Quick Facts
Key statistics for the St Louis to Mount Vernon route.
Route details
Distance432 mi / 695 km
Time difference+1 hour
Airlines (nonstop)Charter / private
Weekly flights~1 out
Origin: STL
IATA / ICAOSTL / KSTL
TimezoneAmerica/Chicago
Passengers/yr15.6M
Elevation618 ft / 188 m
Destination: 4I3
Full nameKnox County Airport
IATA / ICAO4I3 / K4I3
TimezoneAmerica/New_York
Elevation1,191 ft / 363 m
FAQ
Frequently Asked Questions
Common questions about STL to 4I3 flights.
Mount Vernon is 1 hour ahead of St Louis.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.