Pittsburgh to St Louis (PIT–STL) — Airlines, Schedules & Connections

PIT Airport Page →
552 mi airlines charter/private 15/wk
On-time Some delays Frequent delays
Flight Schedule 8 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
WN3386
WN Southwest
737
7:00 AM
EDT
7:45 AM
CDT
1h 45m
M T W T F S S
Prices
WN3387
WN Southwest
7S7
7:45 PM
EDT
8:30 PM
CDT
1h 45m
M T W T F S S
Prices
WN3971
WN Southwest
7M8
10:05 AM
CDT T2
12:40 PM
EDT
1h 35m
59%
M T W T F S S
Prices
WN2252
WN Southwest
73H
10:20 AM
CDT T2
12:55 PM
EDT
1h 35m
59%
M T W T F S S
Prices
WN383
WN Southwest
7S7
10:25 AM
CDT T2
1:00 PM
EDT
1h 35m
59%
M T W T F S S
Prices
WN2525
WN Southwest
73H
10:30 AM
CDT T2
1:05 PM
EDT
1h 35m
59%
M T W T F S S
Prices
WN3972
WN Southwest
73H
7:55 PM
CDT T2
10:30 PM
EDT
1h 35m
59%
M T W T F S S
Prices
UA3783
UA United
7M9
10:45 PM
CDT T1
1:15 AM+1
EDT
1h 30m
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
MDW Chicago 3h 25m EJAWN JRENSHWN Chicago (MDW) to St Louis flights
DTW Detroit 3h 38m AMDLKE AFAMDL Detroit (DTW) to St Louis flights
BNA Nashville 3h 45m G4WN WN Nashville (BNA) to St Louis flights
ORD Chicago 4h 7m AAACAS AAACAS Chicago (ORD) to St Louis flights
ATL Atlanta 4h 19m AFAMDL AFAMDL Atlanta (ATL) to St Louis flights
BWI Baltimore 4h 24m WN DLWN Baltimore (BWI) to St Louis flights
IAD Dulles 4h 26m AVCMET AVCMEJM Dulles (IAD) to St Louis flights
DCA Washington 4h 30m AAASWN AAWN Washington (DCA) to St Louis flights
CLT Charlotte 4h 33m AA AABAWN Charlotte (CLT) to St Louis flights
PHL Philadelphia 4h 35m AAASBA AAVJAWN Philadelphia (PHL) to St Louis flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Pittsburgh to St Louis
3 carriers, 15 flights/week nonstop.
3 Airlines 552 mi 1h 38m nonstop -1h behind

PIT–STL is served by 3 airlines with nonstop service. Southwest Airlines, United Airlines and Delta Air Lines lead the route. The flight covers 552 miles in approximately 1h 38m. Beyond nonstop, 1-stop connecting options are also available.

Airline Landscape

All carriers operating nonstop PIT–STL service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
WN Southwest Airlines 13 737, 7S7 1h45 81%
UA United Airlines 2 81% Star Alliance
DL Delta Air Lines 0 81% SkyTeam
Aircraft on this route
737 Boeing 737-700 – WN
7S7 Boeing 737 MAX 7 – WN
Alliance coverage
Unaffiliated: WN (13 flights/wk, 87%)
Star Alliance: UA (2 flights/wk, 13%)
SkyTeam: DL (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, PIT to STL direction.
Mon
2
flights
Tue
2
flights
Wed
2
flights
Thu
2
flights
Fri
2
flights
Sat
1
flight
Sun
2
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
2
Nonstop flights
15
Outbound / wk
15
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for PIT to STL.
1-STOP
One-Stop Connections
61
Hubs
~3h
Fastest
~22h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,301
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
PIT → STL
81%
Generally reliable. Most flights run on time.
Departing
81%
Arriving
96%
Return
STL → PIT
87%
Generally reliable. Most flights run on time.
Departing
87%
Arriving
91%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. PIT delays → STL delays →

Other ways to reach St Louis from Pittsburgh

Nearby airports with service to St. Louis Lambert International Airport.
Metric PIT→STL LBE→STL CLE→STL
Distance from PIT 46 mi 106 mi
Nonstop airlines 3 1 3
Weekly flights 15 1 15
Flight time 1h 38m 1h 34m 1h 30m
Departure OTP 81%
Airports within 200 miles of PIT with service to St. Louis Lambert International Airport.

Travel Essentials

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

When it's 6:00 PM in Pittsburgh, it's 5:00 PM in St Louis.
Distance & Flight Time
552 mi / 889 km
Nonstop flight time is approximately 1h 38m gate to gate.

PIT–STL Quick Facts

Key statistics for the Pittsburgh to St Louis route.
Route details
Distance552 mi / 889 km
Flight time1h 38m
Time difference-1 hour
Airlines (nonstop)3
Weekly flights15 out / 15 return
1-stop connectionsAvailable
Origin: PIT
IATA / ICAOPIT / KPIT
TimezoneAmerica/New_York
Passengers/yr9.7M
Elevation1,203 ft / 367 m
Destination: STL
IATA / ICAOSTL / KSTL
TimezoneAmerica/Chicago
Passengers/yr15.6M
Elevation618 ft / 188 m

Frequently Asked Questions

Common questions about PIT to STL flights.
Nonstop flights from Pittsburgh International Airport to St. Louis Lambert International Airport take about 1h 38m gate to gate. The route covers 552 miles.
3 airlines operate flights from PIT to STL: Southwest Airlines, United Airlines and Delta Air Lines.
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 Chicago Midway, Detroit Metropolitan Wayne County and Nashville.
St Louis is 1 hour behind Pittsburgh.
Yes, return flights from STL to PIT are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include LBE and CLE. 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 PIT to STL

Pittsburgh International Airport (PIT) and St. Louis Lambert International Airport (STL) are connected by nonstop service from Southwest Airlines, United Airlines and Delta Air Lines. With 15 weekly departures, this is a well served route.

PIT to STL Flight Duration and Schedule

Nonstop flight time from PIT to STL is about 1 hours 38 minutes gate to gate. The route covers a distance of 552 miles (889 km). There are approximately 15 weekly flights outbound and 15 return, totaling 30 flights per week in both directions.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Chicago Midway, Detroit Metropolitan Wayne County and Nashville. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Latrobe (LBE) and Cleveland (CLE).