Baltimore to St Louis (BWI–STL) — Airlines, Schedules & Connections

BWI Airport Page →
736 mi airlines charter/private 28/wk
On-time Some delays Frequent delays
Flight Schedule 17 flights Verified 7m ago
Also flown by charter / private operators.
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
WN1109
WN Southwest
737
6:38 AM
EDT
7:53 AM
CDT
2h 15m
46%
M T W T F S S
Prices
WN855
WN Southwest
73H
7:55 AM
EDT
9:10 AM
CDT
2h 15m
46%
M T W T F S S
Prices
WN1110
WN Southwest
7M8
9:25 AM
EDT
10:40 AM
CDT
2h 15m
46%
M T W T F S S
Prices
WN733
WN Southwest
737
10:15 AM
EDT
11:30 AM
CDT
2h 15m
46%
M T W T F S S
Prices
DL8887
DL Delta
6:30 PM
EDT
8:12 PM
CDT
2h 42m
M T W T F S S
Prices
WN1111
WN Southwest
B38M
6:31 PM
EDT
7:29 PM
CDT
1h 58m
46%
M T W T F S S
Prices
WN1118
WN Southwest
73H
9:55 PM
EDT
11:15 PM
CDT
2h 20m
46%
M T W T F S S
Prices
WN3898
WN Southwest
73H
5:10 AM
CDT T2
8:15 AM
EDT
2h 5m
59%
M T W T F S S
Prices
WN3894
WN Southwest
737
6:55 AM
CDT T2
9:42 AM
EDT
1h 47m
59%
M T W T F S S
Prices
WN1162
WN Southwest
7S7
7:15 AM
CDT T2
10:20 AM
EDT
2h 5m
59%
M T W T F S S
Prices
WN4614
WN Southwest
B38M
11:00 AM
CDT T2
2:05 PM
EDT
2h 5m
59%
M T W T F S S
Prices
WN793
WN Southwest
7M8
2:30 PM
CDT T2
5:35 PM
EDT
2h 5m
59%
M T W T F S S
Prices
WN2653
WN Southwest
7M8
5:10 PM
CDT T2
8:15 PM
EDT
2h 5m
59%
M T W T F S S
Prices
SY3008
SY Sun Country
738
5:48 PM
CDT
8:36 PM
EDT
1h 48m
M T W T F S S
Prices
WN1946
WN Southwest
7S7
6:20 PM
CDT T2
9:30 PM
EDT
2h 10m
59%
M T W T F S S
Prices
WN5059
WN Southwest
7M8
6:45 PM
CDT T2
9:45 PM
EDT
2h
59%
M T W T F S S
Prices
WN3897
WN Southwest
7M8
6:48 PM
CDT T2
9:36 PM
EDT
1h 48m
59%
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
CMH Columbus 3h 40m WN WN Columbus (CMH) to St Louis flights
DTW Detroit 3h 59m AFAMDL AFAMDL Detroit (DTW) to St Louis flights
MDW Chicago 4h 5m WN JRENSHWN Chicago (MDW) to St Louis flights
PIT Pittsburgh 4h 15m WN EJALXJWN Pittsburgh (PIT) to St Louis flights
RDU Raleigh/Durham 4h 15m WN F9WN Raleigh/Durham (RDU) to St Louis flights
CLT Charlotte 4h 25m AABAF9 AABAWN Charlotte (CLT) to St Louis flights
ATL Atlanta 4h 25m 8CAFAM AFAMDL Atlanta (ATL) to St Louis flights
ORD Chicago 4h 36m AAASCX AAACAS Chicago (ORD) to St Louis flights
CHS Charleston 4h 43m WN WN Charleston (CHS) to St Louis flights
ORF Norfolk 4h 45m WN WN Norfolk (ORF) to St Louis flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Baltimore to St Louis
3 carriers, 28 flights/week nonstop.
3 Airlines 736 mi 2h 15m nonstop -1h behind

BWI–STL is served by 3 airlines with nonstop service. Southwest Airlines, Delta Air Lines and Sun Country Airlines lead the route. The flight covers 736 miles in approximately 2h 15m. Beyond nonstop, 1-stop connecting options are also available.

Airline Landscape

All carriers operating nonstop BWI–STL service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
WN Southwest Airlines 27 737, 73H, 7M8, B38M 1h58-2h20 75%
DL Delta Air Lines 1 2h42 75% SkyTeam
SY Sun Country Airlines 1 75%
Aircraft on this route
737 Boeing 737-700 – WN
73H Boeing 737-800 (Winglets) – WN
7M8 Boeing 737 MAX 8 – WN
B38M Boeing 737 MAX 8 – WN
Alliance coverage
Unaffiliated: SY + WN (28 flights/wk, 97%)
SkyTeam: DL (1 flights/wk, 3%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, BWI to STL direction.
Mon
5
flights
Tue
3
flights
Wed
3
flights
Thu
4
flights
Fri
4
flights
Sat
5
flights
Sun
4
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
7
Nonstop flights
28
Outbound / wk
32
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for BWI to STL.
1-STOP
One-Stop Connections
70
Hubs
~3h
Fastest
~33h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,830
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
BWI → STL
75%
Generally reliable. Most flights run on time.
Departing
75%
Arriving
94%
Return
STL → BWI
87%
Generally reliable. Most flights run on time.
Departing
87%
Arriving
82%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. BWI delays → STL delays →

Other ways to reach St Louis from Baltimore

Nearby airports with service to St. Louis Lambert International Airport.
Metric BWI→STL DCA→STL IAD→STL
Distance from BWI 30 mi 45 mi
Nonstop airlines 3 3 12
Weekly flights 28 60 58
Flight time 2h 15m 2h 2m 1h 38m
Departure OTP 75%
Airports within 200 miles of BWI with service to St. Louis Lambert International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
-1h
St Louis is 1 hour behind Baltimore.
BWI: EDT · STL: CDT

When it's 6:00 PM in Baltimore, it's 5:00 PM in St Louis.
Distance & Flight Time
736 mi / 1,184 km
Nonstop flight time is approximately 2h 15m gate to gate.

BWI–STL Quick Facts

Key statistics for the Baltimore to St Louis route.
Route details
Distance736 mi / 1,184 km
Flight time2h 15m
Time difference-1 hour
Airlines (nonstop)3
Weekly flights28 out / 32 return
1-stop connectionsAvailable
Origin: BWI
IATA / ICAOBWI / KBWI
TimezoneAmerica/New_York
Passengers/yr26.4M
Elevation146 ft / 45 m
Destination: STL
IATA / ICAOSTL / KSTL
TimezoneAmerica/Chicago
Passengers/yr15.6M
Elevation618 ft / 188 m

Frequently Asked Questions

Common questions about BWI to STL flights.
Nonstop flights from Baltimore/Washington International Thurgood Marshall Airport to St. Louis Lambert International Airport take about 2h 15m gate to gate. The route covers 736 miles.
3 airlines operate flights from BWI to STL: Southwest Airlines, Delta Air Lines and Sun Country Airlines.
This route has daily 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 John Glenn Columbus, Detroit Metropolitan Wayne County and Chicago Midway.
St Louis is 1 hour behind Baltimore.
Yes, return flights from STL to BWI are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include DCA, IAD and PHL. See the Alternatives section for a full comparison.
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 BWI to STL

Baltimore/Washington International Thurgood Marshall Airport (BWI) and St. Louis Lambert International Airport (STL) are connected by nonstop service from Southwest Airlines, Delta Air Lines and Sun Country Airlines. With 28 weekly departures, this is a heavily served route.

BWI to STL Flight Duration and Schedule

Nonstop flight time from BWI to STL is about 2 hours 15 minutes gate to gate. The route covers a distance of 736 miles (1,184 km). There are approximately 28 weekly flights outbound and 32 return, totaling 60 flights per week in both directions.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via John Glenn Columbus, Detroit Metropolitan Wayne County and Chicago Midway. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Washington (DCA), Dulles (IAD) and Philadelphia (PHL).