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Southwest Airlines

SWA4156 / WN4156

ICAO: SWA4156 IATA: WN4156

Flight schedule

Select flight date
Departure
Arrive
Aircraft
Effective
Avalibility
Southwest Airlines
SWA4156
Duration
4h 25m
Distance
1759 mi, 2830 km
Coreshare
Same day flight
Yes
Terminal
Departure: TB
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4156
Duration
4h 25m
Distance
1759 mi, 2830 km
Coreshare
Same day flight
Yes
Terminal
Departure: TB
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4156
Duration
4h 25m
Distance
1759 mi, 2830 km
Coreshare
Same day flight
Yes
Terminal
Departure: TB
Meals
Seats
165
Economy
165
Southwest Airlines
SWA4156
Duration
4h 25m
Distance
1759 mi, 2830 km
Coreshare
Same day flight
Yes
Terminal
Departure: TB
Meals
Seats
165
Economy
165
Southwest Airlines
SWA4156
Duration
2h 35m
Distance
994 mi, 1599 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
165
Economy
165
Southwest Airlines
SWA4156
Duration
1h 30m
Distance
481 mi, 774 km
Coreshare
Same day flight
Yes
Terminal
Departure: TB
Meals
Seats
165
Economy
165
Southwest Airlines
SWA4156
Duration
1h 30m
Distance
481 mi, 774 km
Coreshare
Same day flight
Yes
Terminal
Departure: TB
Meals
Seats
137
Economy
137
Southwest Airlines
SWA4156
Duration
1h 40m
Distance
483 mi, 777 km
Coreshare
Same day flight
Yes
Terminal
Departure: T1 Arrival: TB
Meals
Seats
137
Economy
137
Southwest Airlines
SWA4156
Duration
2h 35m
Distance
994 mi, 1599 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
165
Economy
165
Southwest Airlines
SWA4156
Duration
2h 20m
Distance
835 mi, 1344 km
Coreshare
Same day flight
Yes
Terminal
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4156
Duration
3h 40m
Distance
1375 mi, 2212 km
Coreshare
Same day flight
Yes
Terminal
Departure: T2 Arrival: T1
Meals
Seats
165
Economy
165
Southwest Airlines
SWA4156
Duration
3h 40m
Distance
1375 mi, 2212 km
Coreshare
Same day flight
Yes
Terminal
Departure: T2 Arrival: T1
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4156
Duration
3h 40m
Distance
1375 mi, 2212 km
Coreshare
Same day flight
Yes
Terminal
Departure: T2 Arrival: T1
Meals
Seats
165
Economy
165
Southwest Airlines
SWA4156
Duration
3h 40m
Distance
1375 mi, 2212 km
Coreshare
Same day flight
Yes
Terminal
Departure: T2 Arrival: T1
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4156
Duration
3h 40m
Distance
1375 mi, 2212 km
Coreshare
Same day flight
Yes
Terminal
Departure: T2 Arrival: T1
Meals
Seats
165
Economy
165
Southwest Airlines
SWA4156
Duration
3h 35m
Distance
1375 mi, 2212 km
Coreshare
Same day flight
Yes
Terminal
Departure: T2 Arrival: T1
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4156
Duration
3h 40m
Distance
1375 mi, 2212 km
Coreshare
Same day flight
Yes
Terminal
Departure: T2 Arrival: T1
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4156
Duration
1h 05m
Distance
227 mi, 365 km
Coreshare
Same day flight
Yes
Terminal
Arrival: T1
Meals
Seats
137
Economy
137
Southwest Airlines
SWA4156
Duration
3h 40m
Distance
1375 mi, 2212 km
Coreshare
Same day flight
Yes
Terminal
Departure: T2 Arrival: T1
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4156
Duration
3h 40m
Distance
1375 mi, 2212 km
Coreshare
Same day flight
Yes
Terminal
Departure: T2 Arrival: T1
Meals
Seats
165
Economy
165
Southwest Airlines
SWA4156
Duration
3h 40m
Distance
1375 mi, 2212 km
Coreshare
Same day flight
Yes
Terminal
Departure: T2 Arrival: T1
Meals
Seats
165
Economy
165
Southwest Airlines
SWA4156
Duration
3h 40m
Distance
1375 mi, 2212 km
Coreshare
Same day flight
Yes
Terminal
Departure: T2 Arrival: T1
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4156
Duration
3h 40m
Distance
1375 mi, 2212 km
Coreshare
Same day flight
Yes
Terminal
Departure: T2 Arrival: T1
Meals
Seats
165
Economy
165
Southwest Airlines
SWA4156
Duration
3h 35m
Distance
1375 mi, 2212 km
Coreshare
Same day flight
Yes
Terminal
Departure: T2 Arrival: T1
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4156
Duration
3h 40m
Distance
1375 mi, 2212 km
Coreshare
Same day flight
Yes
Terminal
Departure: T2 Arrival: T1
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4156
Duration
3h 35m
Distance
1375 mi, 2212 km
Coreshare
Same day flight
Yes
Terminal
Departure: T2 Arrival: T1
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4156
Duration
3h 40m
Distance
1375 mi, 2212 km
Coreshare
Same day flight
Yes
Terminal
Departure: T2 Arrival: T1
Meals
Seats
165
Economy
165
Southwest Airlines
SWA4156
Duration
3h 40m
Distance
1375 mi, 2212 km
Coreshare
Same day flight
Yes
Terminal
Departure: T2 Arrival: T1
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4156
Duration
5h 05m
Distance
1916 mi, 3083 km
Coreshare
Same day flight
Yes
Terminal
Arrival: T1
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4156
Duration
5h 00m
Distance
1916 mi, 3083 km
Coreshare
Same day flight
Yes
Terminal
Arrival: T1
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4156
Duration
5h 00m
Distance
1916 mi, 3083 km
Coreshare
Same day flight
Yes
Terminal
Arrival: T1
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4156
Duration
5h 00m
Distance
1916 mi, 3083 km
Coreshare
Same day flight
Yes
Terminal
Arrival: T1
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4156
Duration
5h 00m
Distance
1916 mi, 3083 km
Coreshare
Same day flight
Yes
Terminal
Arrival: T1
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4156
Duration
5h 00m
Distance
1916 mi, 3083 km
Coreshare
Same day flight
Yes
Terminal
Arrival: T1
Meals
Seats
175
Economy
175
Southwest Airlines
SWA4156
Duration
5h 00m
Distance
1916 mi, 3083 km
Coreshare
Same day flight
Yes
Terminal
Arrival: T1
Meals
Seats
175
Economy
175
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General route info

Frequency:

Daily

Sun Mon Tue Wed Thu Fri Sat

Direct distance

1749 miles, 2815 km

Actual distance

1759 miles, 2830 km

0.57%
Flight time

4h 25m

Flights / Week

21 flights

Seats / Week

175 seats/flight

3675 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:
    18 Jul 2026
    06:40
    Boston(BOS)
    Denver(DEN)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    19 Jul 2026
    05:15
    Boston(BOS)
    Denver(DEN)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    20 Jul 2026
    06:25
    Boston(BOS)
    Denver(DEN)
    Boeing 737MAX 8 Passenger
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    21 Jul 2026
    05:00
    Boston(BOS)
    Denver(DEN)
    Boeing 737MAX 8 Passenger
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    22 Jul 2026
    05:00
    Boston(BOS)
    Denver(DEN)
    Boeing 737MAX 8 Passenger
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    23 Jul 2026
    06:25
    Boston(BOS)
    Denver(DEN)
    Boeing 737MAX 8 Passenger
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    24 Jul 2026
    06:25
    Boston(BOS)
    Denver(DEN)
    Boeing 737MAX 8 Passenger
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    25 Jul 2026
    06:40
    Boston(BOS)
    Denver(DEN)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    26 Jul 2026
    05:15
    Boston(BOS)
    Denver(DEN)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    27 Jul 2026
    06:25
    Boston(BOS)
    Denver(DEN)
    Boeing 737MAX 8 Passenger
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    28 Jul 2026
    05:00
    Boston(BOS)
    Denver(DEN)
    Boeing 737MAX 8 Passenger
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    29 Jul 2026
    05:00
    Boston(BOS)
    Denver(DEN)
    Boeing 737MAX 8 Passenger
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    30 Jul 2026
    06:25
    Boston(BOS)
    Denver(DEN)
    Boeing 737MAX 8 Passenger
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    31 Jul 2026
    06:25
    Boston(BOS)
    Denver(DEN)
    Boeing 737MAX 8 Passenger
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    01 Aug 2026
    06:40
    Boston(BOS)
    Denver(DEN)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    02 Aug 2026
    05:15
    Boston(BOS)
    Denver(DEN)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    03 Aug 2026
    06:25
    Boston(BOS)
    Denver(DEN)
    Boeing 737MAX 8 Passenger
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    04 Aug 2026
    10:35
    Portland(PDX)
    Denver(DEN)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    04 Aug 2026
    08:25
    Sacramento(SMF)
    Portland(PDX)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    05 Aug 2026
    10:35
    Portland(PDX)
    Denver(DEN)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    05 Aug 2026
    08:25
    Sacramento(SMF)
    Portland(PDX)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    06 Aug 2026
    14:40
    San Diego(SAN)
    Sacramento(SMF)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    06 Aug 2026
    16:55
    Sacramento(SMF)
    Portland(PDX)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    07 Aug 2026
    14:40
    San Diego(SAN)
    Sacramento(SMF)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    07 Aug 2026
    16:55
    Sacramento(SMF)
    Portland(PDX)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    08 Aug 2026
    10:35
    Portland(PDX)
    Denver(DEN)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    10 Aug 2026
    14:40
    San Diego(SAN)
    Sacramento(SMF)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    10 Aug 2026
    16:55
    Sacramento(SMF)
    Portland(PDX)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    11 Aug 2026
    10:35
    Portland(PDX)
    Denver(DEN)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    11 Aug 2026
    08:25
    Sacramento(SMF)
    Portland(PDX)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    12 Aug 2026
    10:35
    Portland(PDX)
    Denver(DEN)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    12 Aug 2026
    08:25
    Sacramento(SMF)
    Portland(PDX)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    13 Aug 2026
    14:40
    San Diego(SAN)
    Sacramento(SMF)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    13 Aug 2026
    16:55
    Sacramento(SMF)
    Portland(PDX)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    14 Aug 2026
    14:40
    San Diego(SAN)
    Sacramento(SMF)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    14 Aug 2026
    16:55
    Sacramento(SMF)
    Portland(PDX)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    15 Aug 2026
    10:35
    Portland(PDX)
    Denver(DEN)
    Boeing 737-800 (winglets) Passenger/BBJ2
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    17 Aug 2026
    14:40
    San Diego(SAN)
    Sacramento(SMF)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4156
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    17 Aug 2026
    16:55
    Sacramento(SMF)
    Portland(PDX)
    Boeing 737-700 Passenger (Scimitar Winglets)
    WN4156

SWA4156 information

A domestic route in USA departing from Boston (BOS) and arriving at Denver (DEN).

The timezone of the departure airport is UTC -4, and the timezone of the arrival airport is UTC -6.

The current time at the point of departure is 10:27am, and 8:27am at the point of arrival. There is a -2 hour time difference between the airports.

The flight distance is 1759 miles, or 2830 km.

For direct flights, the flight time is about 4:25.

Other flights between Boston and Denver with Southwest
05:00
WN 1537
→
05:00
WN 801
→
05:05
WN 694
→
05:20
WN 804
→
05:40
WN 739
→
09:25
WN 302
→
10:10
WN 2467
→
10:10
WN 802
→
10:15
WN 280
→
10:40
WN 296
→
11:35
WN 4208
→
11:35
WN 860
→
11:55
WN 284
→
12:05
WN 356
→
12:35
WN 1221
→
12:40
WN 3244
→
12:50
WN 887
→
13:30
WN 947
→
14:10
WN 3267
→
15:55
WN 695
→
16:45
WN 352
→
16:45
WN 888
→
17:00
WN 4251
→
17:10
WN 247
→
17:10
WN 1590
→
17:20
WN 803
→
17:25
WN 806
→
17:30
WN 742
→
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