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

SJU Airport Page →
2,026 mi airlines 2/wk
On-time Some delays Frequent delays
Flight Schedule 3 flights Verified 6h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
WN2489
WN Southwest
738
3:35 PM
AST TB
7:45 PM
EDT
5h 10m
M T W T F S S
Prices
AA2519
AA American
5:34 PM
AST
10:55 PM
EDT
5h 21m
M T W T F S S
Prices
WN4593
WN Southwest
73H
2:35 PM
EDT T2
8:00 PM
AST
4h 25m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
2-STOP Loading...
San Juan to St Louis
2 carriers, 2 flights/week nonstop.
2 Airlines 2 Flights/wk 2,026 mi 5h 10m nonstop 44 1-stop hubs

SJU–STL is served by 2 airlines with nonstop service. American Airlines and Southwest Airlines lead the route. The flight covers 2,026 miles in approximately 5h 10m. Beyond nonstop, 44 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop SJU–STL service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AA American Airlines 1 5h21 48% Oneworld
WN Southwest Airlines 1 738 5h10 48%
Aircraft on this route
738 Boeing 737-800 – WN
Alliance coverage
Oneworld: AA (1 flights/wk, 50%)
Unaffiliated: WN (1 flights/wk, 50%)
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
1
flight
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
2
Nonstop flights
2
Outbound / wk
1
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SJU to STL.
1-STOP
One-Stop Connections
44
Hubs
~5h
Fastest
~29h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,731
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
48%
Frequent delays expected. Consider flexible booking.
Departing
48%
Arriving
80%
Return
STL → SJU
84%
Generally reliable. Most flights run on time.
Departing
84%
Arriving
76%
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
0h
St Louis is 0 hours the same as San Juan.
SJU: AST · STL: EDT

When it's 6:00 PM in San Juan, it's 6:00 PM in St Louis.
Distance & Flight Time
2,026 mi / 3,260 km
Nonstop flight time is approximately 5h 10m to 5h 21m.

SJU–STL Quick Facts

Key statistics for the San Juan to St Louis route.
Route details
Distance2,026 mi / 3,260 km
Flight time5h 10m to 5h 21m
Time difference0 hours
Airlines (nonstop)2
Weekly flights2 out / 1 return
1-stop connections44 hubs
Origin: SJU
IATA / ICAOSJU / TJSJ
TimezoneAmerica/Puerto_Rico
Passengers/yr13.0M
Elevation9 ft / 3 m
Destination: STL
IATA / ICAOSTL / KSTL
TimezoneAmerica/Indiana/Vincennes
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 approximately 5h 10m to 5h 21m. The route covers 2,026 miles.
2 airlines operate nonstop service: American Airlines and Southwest Airlines.
There are approximately 2 nonstop flights per week from SJU to STL. The return direction has about 1 weekly flights.
Yes, 1-stop connections are available through BCT, APF, PIE, NAS, BKL, BLM, TEB, SRQ, RSW, CHS, BDL, IND, YUL, SCF, LAX, JAX, TPA, IAH, RDU, PUJ, MCO, DTW, PHL, DFW, ORD, HOU, BNA, MIA, EWR, FLL, BWI, ATL, BOS, MSP, MDW, DCA, DEN, CLT, HPN, PBI, YYZ, AUS, IAD and CVG. These options provide additional schedule flexibility.
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 American Airlines and Southwest Airlines. With 2 weekly departures, this is a regularly served route.

SJU to STL Flight Duration and Schedule

Nonstop flight time from SJU to STL ranges from 5 hours 10 minutes to 5 hours 21 minutes. The route covers a distance of 2,026 miles (3,260 km). There are approximately 2 weekly flights outbound and 1 return, totaling 3 flights per week in both directions.

Connecting Options and Alternatives

44 one-stop connections are available, with the fastest taking approximately 5 hours via BCT. Two-stop connections are also available via intermediate hubs.