Mount Vernon to St Louis (4I3–STL) — Airlines, Schedules & Connections
Flight Schedule
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performance
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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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Hub OTP
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Combos
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Fastest
estimated
Schedule
Unknown
Leg 1
Leg 2
✧ 2-Stop
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Mount Vernon to St Louis
Route information for 4I3 to STL.
-1h behind
Reliability
On-Time Performance
What to expect at each end of your journey.
Outbound
4I3 → STL
70%
Moderate delays possible. Allow buffer time.
Arriving
70%
Return
STL → 4I3
65%
Moderate delays possible. Allow buffer time.
Departing
65%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots.
STL delays →
Alternatives
Other ways to reach St Louis from Mount Vernon
Nearby airports with service to St. Louis Lambert International Airport.
| Metric | 4I3→STL | CMH→STL | CLE→STL |
|---|---|---|---|
| Distance from 4I3 | – | 30 mi | 83 mi |
| Nonstop airlines | – | 4 | 3 |
| Weekly flights | – | 14 | 15 |
Columbus (CMH) to St Louis flights · Cleveland (CLE) to St Louis flights · Dayton (DAY) to St Louis flights
Airports within 200 miles of 4I3 with service to St. Louis Lambert International Airport.
Know before you go
Travel Essentials
Practical planning for this route.
Time Difference
-1h
St Louis is 1 hour
behind
Mount Vernon.
4I3: EDT · STL: CDT
When it's 6:00 PM in Mount Vernon, it's 5:00 PM in St Louis.
4I3: EDT · STL: CDT
When it's 6:00 PM in Mount Vernon, it's 5:00 PM in St Louis.
Facts
4I3–STL Quick Facts
Key statistics for the Mount Vernon to St Louis route.
Route details
Time difference-1 hour
Airlines (nonstop)0
Origin: 4I3
Full nameKnox County Airport
IATA / ICAO4I3 / K4I3
TimezoneAmerica/New_York
Elevation1,191 ft / 363 m
FAQ
Frequently Asked Questions
Common questions about 4I3 to STL flights.
St Louis is 1 hour behind Mount Vernon.
Yes, return flights from STL to 4I3 are available. Use the direction toggle at the top to view the return schedule.
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.
Connecting Options and Alternatives
Nearby alternative airports include Columbus (CMH), Cleveland (CLE) and Dayton (DAY).