Southwest Airlines flight WN 521: Multiple routes

Map for flight WN 521
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FLIGHT SCHEDULE
Direct Flights:
Sat 05:30 Milwaukee (MKE) 08:40 La Guardia, New York (LGA) B
WN 521 Non-stop Boeing 737-700 (73W) 2:10 Operates only on 2015-07-04
Mon-Fri,Sun 06:15 Hopkins, Cleveland (CLE) 07:05 Nashville (BNA)
WN 521 Non-stop Boeing 737-800 (73H) 1:50 Valid until 2015-04-06
Mon-Fri,Sun 08:00 Nashville (BNA) 10:45 Tampa (TPA)
WN 521 Non-stop Boeing 737-800 (73H) 1:45 Valid until 2015-04-06
Mon-Fri,Sun 11:35 Tampa (TPA) 14:15 Buffalo (BUF)
WN 521 Non-stop Boeing 737-800 (73H) 2:40 Valid until 2015-04-06
Mon-Fri,Sun 15:25 McCarran, Las Vegas (LAS) 1 20:05 San Antonio (SAT) A
WN 521 Non-stop Boeing 737-700 (73W) 2:40 Effective 2015-06-07 through 2015-07-02
Mon-Fri,Sun 15:25 McCarran, Las Vegas (LAS) 1 20:05 San Antonio (SAT) A
WN 521 Non-stop Boeing 737-700 (73W) 2:40 Effective 2015-07-05 through 2015-08-07
Mon 19:00 McCarran, Las Vegas (LAS) 1 00:10 Lambert-St Louis Int'l (STL) 2
WN 521 Non-stop Boeing 737-700 (73W) 3:10 Operates only on 2015-05-25
The flight arrives 1 day after departure.
Mon-Fri,Sun 19:20 Louisville (SDF) 20:55 Baltimore (BWI)
WN 521 Non-stop Boeing 737-700 (73W) 1:35 Effective 2015-08-09 through 2015-09-04
Mon-Fri,Sun 19:20 Louisville (SDF) 20:55 Baltimore (BWI)
WN 521 Non-stop Boeing 737-700 (73W) 1:35 Effective from 2015-09-07
Mon-Fri,Sun 22:20 Baltimore (BWI) 23:55 Detroit (DTW) N
WN 521 Non-stop Boeing 737-700 (73W) 1:35 Effective 2015-04-08 through 2015-05-22
Mon-Fri,Sun 22:20 Baltimore (BWI) 23:55 Detroit (DTW) N
WN 521 Non-stop Boeing 737-700 (73W) 1:35 Effective 2015-05-26 through 2015-06-05
Non-Direct Flights:
Mon-Fri,Sun 06:15 Hopkins, Cleveland (CLE) 10:45 Tampa (TPA)
WN 521 1-stop Boeing 737-800 (73H) 3:35 Valid until 2015-04-06
Mon-Fri,Sun 08:00 Nashville (BNA) 14:15 Buffalo (BUF)
WN 521 1-stop Boeing 737-800 (73H) 4:25 Valid until 2015-04-06
Mon-Fri,Sun 06:15 Hopkins, Cleveland (CLE) 14:15 Buffalo (BUF)
WN 521 2-stop Boeing 737-800 (73H) 6:15 Valid until 2015-04-06
This flight number is listed as serving the following routes: