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Southwest Airlines

SWA4321 / WN4321

ICAO: SWA4321 IATA: WN4321

Flight schedule

Select flight date
Departure
Arrive
Aircraft
Effective
Avalibility
Southwest Airlines
SWA4321
Duration
1h 15m
Distance
220 mi, 354 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
137
Economy
137
Southwest Airlines
SWA4321
Duration
1h 20m
Distance
220 mi, 354 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
137
Economy
137
Southwest Airlines
SWA4321
Duration
1h 15m
Distance
220 mi, 354 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4321
Duration
1h 05m
Distance
160 mi, 257 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
137
Economy
137
Southwest Airlines
SWA4321
Duration
1h 15m
Distance
266 mi, 428 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
137
Economy
137
Southwest Airlines
SWA4321
Duration
1h 35m
Distance
426 mi, 685 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
137
Economy
137
Southwest Airlines
SWA4321
Duration
1h 30m
Distance
426 mi, 685 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
137
Economy
137
Southwest Airlines
SWA4321
Duration
1h 35m
Distance
426 mi, 685 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
137
Economy
137
Southwest Airlines
SWA4321
Duration
1h 15m
Distance
266 mi, 428 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
137
Economy
137
Southwest Airlines
SWA4321
Duration
2h 40m
Distance
898 mi, 1445 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
165
Economy
165
Southwest Airlines
SWA4321
Duration
2h 40m
Distance
898 mi, 1445 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4321
Duration
1h 55m
Distance
511 mi, 822 km
Coreshare
Same day flight
Yes
Terminal
Departure: T1
Meals
Seats
137
Economy
137
Southwest Airlines
SWA4321
Duration
1h 55m
Distance
511 mi, 822 km
Coreshare
Same day flight
Yes
Terminal
Departure: T1
Meals
Seats
137
Economy
137
Southwest Airlines
SWA4321
Duration
1h 55m
Distance
511 mi, 822 km
Coreshare
Same day flight
Yes
Terminal
Departure: T1
Meals
Seats
137
Economy
137
Southwest Airlines
SWA4321
Duration
1h 55m
Distance
511 mi, 822 km
Coreshare
Same day flight
Yes
Terminal
Departure: T1
Meals
Seats
137
Economy
137
Southwest Airlines
SWA4321
Duration
3h 15m
Distance
1481 mi, 2383 km
Coreshare
Same day flight
Yes
Terminal
Departure: TB
Meals
Seats
137
Economy
137
Southwest Airlines
SWA4321
Duration
3h 15m
Distance
1481 mi, 2383 km
Coreshare
Same day flight
Yes
Terminal
Departure: TB
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4321
Duration
3h 15m
Distance
1481 mi, 2383 km
Coreshare
Same day flight
Yes
Terminal
Departure: TB
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4321
Duration
3h 15m
Distance
1481 mi, 2383 km
Coreshare
Same day flight
Yes
Terminal
Departure: TB
Meals
Seats
137
Economy
137
Southwest Airlines
SWA4321
Duration
3h 15m
Distance
1481 mi, 2383 km
Coreshare
Same day flight
Yes
Terminal
Departure: TB
Meals
Seats
137
Economy
137
Southwest Airlines
SWA4321
Duration
3h 15m
Distance
1481 mi, 2383 km
Coreshare
Same day flight
Yes
Terminal
Departure: TB
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4321
Duration
3h 15m
Distance
1481 mi, 2383 km
Coreshare
Same day flight
Yes
Terminal
Departure: TB
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4321
Duration
3h 15m
Distance
1481 mi, 2383 km
Coreshare
Same day flight
Yes
Terminal
Departure: TB
Meals
Seats
137
Economy
137
Southwest Airlines
SWA4321
Duration
3h 15m
Distance
1481 mi, 2383 km
Coreshare
Same day flight
Yes
Terminal
Departure: TB
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4321
Duration
3h 15m
Distance
1481 mi, 2383 km
Coreshare
Same day flight
Yes
Terminal
Departure: TB
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4321
Duration
3h 15m
Distance
1481 mi, 2383 km
Coreshare
Same day flight
Yes
Terminal
Departure: TB
Meals
Seats
137
Economy
137
Southwest Airlines
SWA4321
Duration
3h 15m
Distance
1481 mi, 2383 km
Coreshare
Same day flight
Yes
Terminal
Departure: TB
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4321
Duration
3h 15m
Distance
1481 mi, 2383 km
Coreshare
Same day flight
Yes
Terminal
Departure: TB
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4321
Duration
3h 15m
Distance
1481 mi, 2383 km
Coreshare
Same day flight
Yes
Terminal
Departure: TB
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4321
Duration
3h 15m
Distance
1481 mi, 2383 km
Coreshare
Same day flight
Yes
Terminal
Departure: TB
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4321
Duration
2h 15m
Distance
653 mi, 1051 km
Coreshare
Same day flight
Yes
Terminal
Departure: T4 Arrival: T2
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4321
Duration
2h 15m
Distance
653 mi, 1051 km
Coreshare
Same day flight
Yes
Terminal
Departure: T4 Arrival: T2
Meals
Seats
137
Economy
137
Southwest Airlines
SWA4321
Duration
2h 15m
Distance
653 mi, 1051 km
Coreshare
Same day flight
Yes
Terminal
Departure: T4 Arrival: T2
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4321
Duration
2h 15m
Distance
653 mi, 1051 km
Coreshare
Same day flight
Yes
Terminal
Departure: T4 Arrival: T2
Meals
Seats
175
Economy
175
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General route info

Frequency:

Daily

Sun Mon Tue Wed Thu Fri Sat

Direct distance

426 miles, 685 km

Actual distance

426 miles, 685 km

0%
Flight time

1h 35m

Flights / Week

33 flights

Seats / Week

137 seats/flight

4521 seats/week

Upcoming scheduled flights in the coming 30 days

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  • Date
    Time
    From
    To
    Aircraft
    Status
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    21 Jul 2026
    21:20
    Baltimore(BWI)
    Islip(ISP)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4321
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    22 Jul 2026
    21:20
    Baltimore(BWI)
    Islip(ISP)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4321
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    23 Jul 2026
    22:25
    Baltimore(BWI)
    Islip(ISP)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4321
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    24 Jul 2026
    22:25
    Baltimore(BWI)
    Islip(ISP)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4321
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    25 Jul 2026
    22:00
    Baltimore(BWI)
    Islip(ISP)
    Boeing 737MAX 8 Passenger
    WN4321
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    26 Jul 2026
    22:25
    Baltimore(BWI)
    Islip(ISP)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4321
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    27 Jul 2026
    22:25
    Baltimore(BWI)
    Islip(ISP)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4321
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    28 Jul 2026
    21:20
    Baltimore(BWI)
    Islip(ISP)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4321
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    29 Jul 2026
    21:20
    Baltimore(BWI)
    Islip(ISP)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4321
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    30 Jul 2026
    22:25
    Baltimore(BWI)
    Islip(ISP)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4321
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    31 Jul 2026
    22:25
    Baltimore(BWI)
    Islip(ISP)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4321
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    01 Aug 2026
    22:00
    Baltimore(BWI)
    Islip(ISP)
    Boeing 737MAX 8 Passenger
    WN4321
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    02 Aug 2026
    22:25
    Baltimore(BWI)
    Islip(ISP)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4321
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    03 Aug 2026
    22:25
    Baltimore(BWI)
    Islip(ISP)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4321
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    06 Aug 2026
    13:05
    Norfolk(ORF)
    Baltimore(BWI)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4321
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    07 Aug 2026
    13:05
    Norfolk(ORF)
    Baltimore(BWI)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4321
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    09 Aug 2026
    08:35
    Baltimore(BWI)
    Greenville(GSP)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4321
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    09 Aug 2026
    10:45
    Greenville(GSP)
    Nashville(BNA)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4321
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    10 Aug 2026
    13:05
    Norfolk(ORF)
    Baltimore(BWI)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4321
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    13 Aug 2026
    13:05
    Norfolk(ORF)
    Baltimore(BWI)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4321
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    14 Aug 2026
    13:05
    Norfolk(ORF)
    Baltimore(BWI)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4321
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    16 Aug 2026
    08:35
    Baltimore(BWI)
    Greenville(GSP)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4321
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    16 Aug 2026
    10:45
    Greenville(GSP)
    Nashville(BNA)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4321
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    17 Aug 2026
    13:05
    Norfolk(ORF)
    Baltimore(BWI)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4321
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    20 Aug 2026
    13:05
    Norfolk(ORF)
    Baltimore(BWI)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4321

SWA4321 information

A domestic route in USA departing from Baltimore (BWI) and arriving at Greenville (GSP).

The timezones of the departure and arrival airports are identical, UTC -4.

The flight distance is 426 miles, or 685 km.

For direct flights, the flight time is about 1:35.

Other flights between Baltimore and Islip with Southwest
07:10
WN 4816
→
08:10
WN 1587
→
08:25
WN 684
→
09:05
WN 1537
→
09:10
WN 2452
→
10:35
WN 2933
→
10:35
WN 2147
→
10:35
WN 2133
→
10:35
WN 1031
→
10:35
WN 257
→
10:40
WN 4691
→
10:40
WN 1100
→
10:45
WN 1229
→
10:45
WN 1149
→
10:50
WN 2173
→
10:50
WN 500
→
10:50
WN 1921
→
10:55
WN 1719
→
10:55
WN 4102
→
11:00
WN 1021
→
11:00
WN 3974
→
11:20
WN 955
→
11:25
WN 1082
→
12:35
WN 937
→
13:20
WN 1029
→
13:20
WN 966
→
13:20
WN 3241
→
13:40
WN 523
→
13:45
WN 133
→
13:45
WN 1701
→
14:35
WN 648
→
14:35
WN 2089
→
14:45
WN 961
→
14:50
WN 4655
→
15:00
WN 3987
→
15:25
WN 765
→
15:45
WN 665
→
15:50
WN 1148
→
15:55
WN 1034
→
16:00
WN 2199
→
16:05
WN 4126
→
16:25
WN 1495
→
17:25
WN 4486
→
17:35
WN 1851
→
17:35
WN 1783
→
18:05
WN 246
→
19:55
WN 963
→
20:20
WN 894
→
20:55
WN 949
→
22:20
WN 1035
→
22:25
WN 4553
→
22:40
WN 1940
→
22:40
WN 4785
→
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