San Juan to St Louis (SJU–STL) — Airlines, Schedules & Connections

SJU Airport Page →
2,026 mi airlines charter/private 1/wk
On-time Some delays Frequent delays
Flight Schedule 2 flights Verified 48m ago
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
WN3931
WN Southwest
738
3:35 PM
AST TB
7:10 PM
CDT
4h 35m
M T W T F S S
Prices
WN1589
WN Southwest
73H
9:35 AM
CDT T2
3:00 PM
AST
4h 25m
56%
M T W T F S S
Prices

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.

✦ 1-Stop connections via 10 hubs
ATL Atlanta 6h 16m AFAMCV AMDLF9 Atlanta (ATL) to St Louis flights
MCO Orlando 6h 23m ADB6EI F9WN Orlando (MCO) to St Louis flights
JAX Jacksonville 6h 26m B6F9PXG WN Jacksonville (JAX) to St Louis flights
FLL Fort Lauderdale 6h 29m ADB6F9 WN Fort Lauderdale (FLL) to St Louis flights
MIA Miami 6h 29m 2IAAAT AAG3WN Miami (MIA) to St Louis flights
PUJ Punta Cana 6h 37m B6DMF9 F9WN Punta Cana (PUJ) to St Louis flights
CLT Charlotte 6h 52m AAF9Y4 AABAEJA Charlotte (CLT) to St Louis flights
TPA Tampa 7h B6F9WN WN Tampa (TPA) to St Louis flights
DTW Detroit 7h 6m DL AFAMDL Detroit (DTW) to St Louis flights
MDW Chicago 7h 15m WN WN Chicago (MDW) to St Louis flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
San Juan to St Louis
2 carriers, 1 flights/week nonstop.
2 Airlines 2,026 mi 4h 35m nonstop -1h behind

SJU–STL is served by 2 airlines with nonstop service. Southwest Airlines and American Airlines lead the route. The flight covers 2,026 miles in approximately 4h 35m. Beyond nonstop, 1-stop connecting options are also available.

Airline Landscape

All carriers operating nonstop SJU–STL service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
WN Southwest Airlines 1 738 4h35 50%
AA American Airlines 0 50% Oneworld
Aircraft on this route
738 Boeing 737-800 – WN
Alliance coverage
Unaffiliated: WN (1 flights/wk, 100%)
Oneworld: AA (0 flights/wk, 0%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, SJU to STL direction.
Mon
0
flights
Tue
0
flights
Wed
0
flights
Thu
0
flights
Fri
0
flights
Sat
1
flight
Sun
0
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
1
Nonstop flights
1
Outbound / wk
1
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SJU to STL.
1-STOP
One-Stop Connections
26
Hubs
~6h
Fastest
~26h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,542
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
SJU → STL
50%
Frequent delays expected. Consider flexible booking.
Departing
50%
Arriving
84%
Return
STL → SJU
67%
Moderate delays possible. Allow buffer time.
Departing
67%
Arriving
100%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. SJU delays → STL delays →

Travel Essentials

Practical planning for this route.
Time Difference
-1h
St Louis is 1 hour behind San Juan.
SJU: AST · STL: CDT

When it's 6:00 PM in San Juan, it's 5:00 PM in St Louis.
Distance & Flight Time
2,026 mi / 3,260 km
Nonstop flight time is approximately 4h 35m gate to gate.

SJU–STL Quick Facts

Key statistics for the San Juan to St Louis route.
Route details
Distance2,026 mi / 3,260 km
Flight time4h 35m
Time difference-1 hour
Airlines (nonstop)2
Weekly flights1 out / 1 return
1-stop connectionsAvailable
Origin: SJU
IATA / ICAOSJU / TJSJ
TimezoneAmerica/Puerto_Rico
Passengers/yr13.0M
Elevation9 ft / 3 m
Destination: STL
IATA / ICAOSTL / KSTL
TimezoneAmerica/Chicago
Passengers/yr15.6M
Elevation618 ft / 188 m

Frequently Asked Questions

Common questions about SJU to STL flights.
Nonstop flights from Luis Munoz Marin International Airport to St. Louis Lambert International Airport take about 4h 35m gate to gate. The route covers 2,026 miles.
2 airlines operate flights from SJU to STL: Southwest Airlines and American Airlines.
This route has limited weekly service. Check the schedule above for departure days and times in each direction.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Hartsfield Jackson Atlanta, Orlando and Jacksonville.
St Louis is 1 hour behind San Juan.
Yes, return flights from STL to SJU 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.

Flights from SJU to STL

Luis Munoz Marin International Airport (SJU) and St. Louis Lambert International Airport (STL) are connected by nonstop service from Southwest Airlines and American Airlines. With 1 weekly departures, this is a regularly served route.

SJU to STL Flight Duration and Schedule

Nonstop flight time from SJU to STL is about 4 hours 35 minutes gate to gate. The route covers a distance of 2,026 miles (3,260 km). There are approximately 1 weekly flights outbound and 1 return, totaling 2 flights per week in both directions.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Hartsfield Jackson Atlanta, Orlando and Jacksonville. Two-stop connections are also available via intermediate hubs.