New York (LGA) to St Louis (STL) flights

Southwest Airlines, Endeavor Air, Republic Airline fly nonstop from LaGuardia Airport to St. Louis Lambert International Airport, with about 62 flights a week in July 2026. The 888-mile flight takes about 2h 46m gate to gate.

From
LGA
New York
LaGuardia Airport
To
STL
St Louis
St. Louis Lambert International Airport
Distance
888 mi · 1,429 km
Flight time
2h 46m
Airlines
3
Seats filled
77%
Flights a week, July 2026
3,500 flights and 289,913 passengers in 12 months
STLSTLLGA
Map data: Natural Earth. Lines follow the shortest (great-circle) path.

Airlines flying LGA to STL

AirlineFlights a weekAircraftPassengers (12 months)Flight time
Southwest Airlines25Boeing 737 MAX 8, Boeing 737-700 / MAX 7, Boeing 737-800167,4212h 43m
Endeavor Air21Bombardier CRJ90057,3842h 46m
Republic Airline16Embraer E17563,2342h 49m
SkyWest AirlinesSeasonal or endedn/aEmbraer E1751,8742h 42m

Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.

LGA to STL flight schedule

20 flight numbers flew this route in August 2026, 7 of them almost daily. The first usually leaves at 6:00am and the last at 7:30pm. Times are local and can change; check with the airline before you book.

FlightDepartsArrivesDays flown in August 2026On time (12 months)
WN 3039Southwest Airlines6:00am7:30am8n/a
DL 4939Delta Air Lines · operated by Endeavor Air6:30am8:08am2188%
WN 4498Southwest Airlines6:30am8:00am4n/a
AA 4443American Airlines · operated by Republic Airline6:55am8:43am1984%
WN 4495Southwest Airlines7:10am8:50am4n/a
WN 3792Southwest Airlines8:35am10:20am1275%
DL 4922Delta Air Lines · operated by Endeavor Air10:00am11:47am3178%
WN 3378Southwest Airlines12:00pm1:40pm1283%
WN 1168Southwest Airlines12:05pm1:45pm8n/a
WN 4988Southwest Airlines12:30pm2:05pm4n/a
AA 4449American Airlines · operated by Republic Airline12:40pm2:25pm2395%
AA 4509American Airlines · operated by Republic Airline12:58pm2:50pm482%
WN 1970Southwest Airlines1:35pm3:15pm4n/a
DL 4905Delta Air Lines · operated by Endeavor Air1:50pm3:38pm3164%
WN 4432Southwest Airlines2:35pm4:20pm2132%
WN 1740Southwest Airlines5:45pm7:35pm8n/a
DL 4926Delta Air Lines · operated by Endeavor Air6:25pm8:31pm2669%
WN 2473Southwest Airlines6:30pm8:10pm1562%
AA 4728American Airlines · operated by Republic Airline6:59pm8:44pm3065%
WN 4653Southwest Airlines7:30pm9:20pm4n/a

Is LGA to STL on time?

From September 2025 to August 2026, 75% of 3,637 flights arrived within 15 minutes of schedule and 5.2% were cancelled. Flights leaving around 6am were the most punctual (90%), those around 6pm the least (61%). Most delay time was caused by late-arriving aircraft (47%).

AirlineFlightsOn timeAverage delayCancelled
Southwest Airlines1,39573%19 min3.8%
Delta Air Lines1,31476%18 min6.5%
American Airlines92878%18 min5.4%

Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.

On-time arrivals by departure time

Scheduled departureFlightsOn time, relativeOn time
6am to 7am494
90%
7am to 8am110
94%
8am to 9am174
86%
9am to 10am221
82%
10am to 11am463
80%
12pm to 1pm369
80%
1pm to 2pm300
74%
2pm to 3pm226
67%
3pm to 4pm260
64%
5pm to 6pm152
67%
6pm to 7pm657
61%

Flights by month

MonthFlightsFlights, relativePassengers
August 2025327
28,815
September 2025307
24,998
October 2025303
26,296
November 2025287
24,487
December 2025286
26,857
January 2026282
18,825
February 2026257
16,908
March 2026290
23,205
April 2026299
22,354
May 2026303
24,899
June 2026287
26,171
July 2026274
26,328

Related

Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.