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SWA4121

MHT → BWI · Boeing 737 MAX 8 · Southwest Airlines

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For travellers

Arrival · Baltimore (BWI)

Gate C10
Scheduled 07:25 · Estimated 07:05 · early
Board status: On Time
In the air, ~19m to go (70% of the route flown)

Board data from bwi, updated 23 min ago; times local to each airport.

Flight

Status
In progress
Departure
Manchester-Boston Regional Airport (MHT) — Manchester, United States
Departed
2026-10-03 09:47 UTC
Arrival
Baltimore/Washington International Thurgood Marshall Airport (BWI) — Baltimore, United States (scheduled)
Scheduled arrival
2026-10-03 11:25 UTC
Estimated arrival
2026-10-03 11:05 UTC
Progress
70% · ~19m remaining
Also flies as
WN4121
Distance flown
536 km
Straight-line distance
606 km

Aircraft

Registration
N8874Q
Type
Boeing 737 MAX 8
Seats
175 total (175 Economy)
CO2 (EMEP est., total)
13.3 t (76 kg/pax Economy)

Altitude & speed

Max altitude
28,025 ft
Max ground speed
410 kt
Tracked
48m · 536 km
Note
still in progress - the track so far
Altitude (ft, max 28,025)
015,13430,2670m30m
Ground speed (kt, max 410)
02214430m30m
Altitude (ft, max 28,025)
015,13430,2670m
Ground speed (kt, max 410)
02214430m

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

Southwest Airlines (SWA)

Latest flights

DepartedFlightRouteRegAircraftStatusDistance
2026-10-03 09:47 UTC SWA4121 MHT → BWI
Manchester → Baltimore
 N8874Q Boeing 737 MAX 8 In progress ~606 km est.
2026-09-30 20:19 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N906WN Boeing 737-700 Completed 855 km
2026-09-29 20:11 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N454WN Boeing 737-700 Completed 861 km
2026-09-29 05:23 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N8557Q Boeing 737-800 Completed 891 km
2026-09-26 22:45 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N8844Q Boeing 737 MAX 8 Completed 852 km
2026-09-26 07:05 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N8984L Boeing 737-800 Completed 895 km
2026-09-25 04:24 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N8619F Boeing 737-800 Completed 896 km
2026-09-23 20:10 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N442WN Boeing 737-700 Completed 876 km
2026-09-22 20:34 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N964WN Boeing 737-700 Completed 857 km
2026-09-22 04:23 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N8985Q Boeing 737 MAX 8 Completed 898 km
2026-09-20 23:59 UTC SWA4121 MKE → BNA
Milwaukee → Nashville
 N8741L Boeing 737 MAX 8 Completed 808 km
2026-09-19 23:12 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N8910Q Boeing 737 MAX 8 Completed 897 km
2026-09-19 03:59 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N8809L Boeing 737 MAX 8 Completed 903 km
2026-09-18 04:21 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N8918Q Boeing 737 MAX 8 Completed 923 km
2026-09-16 20:19 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N265WN Boeing 737-700 Completed 1122 km
2026-09-15 20:14 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N273WN Boeing 737-700 Completed 909 km
2026-09-15 04:06 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N8963Q Boeing 737 MAX 8 Completed 909 km
2026-09-14 00:05 UTC SWA4121 MKE → BNA
Milwaukee → Nashville
 N8746Q Boeing 737 MAX 8 Completed 902 km
2026-09-12 23:04 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N8914Q Boeing 737 MAX 8 Completed 919 km
2026-09-12 05:10 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N8717M Boeing 737 MAX 8 Completed 983 km
2026-09-11 05:10 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N8726H Boeing 737 MAX 8 Completed 939 km
2026-09-09 19:53 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N478WN Boeing 737-700 Completed 891 km
2026-09-08 04:10 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N8532S Boeing 737-800 Completed 879 km
2026-09-05 23:03 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N8976K Boeing 737 MAX 8 Completed 945 km
2026-09-05 06:17 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N8806Q Boeing 737 MAX 8 Completed 931 km
2026-09-04 03:40 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N8536Z Boeing 737-800 Completed 929 km
2026-09-02 20:20 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N460WN Boeing 737-700 Completed 955 km
2026-09-01 20:16 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N7880D Boeing 737-700 Completed 975 km
2026-09-01 03:28 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N8560Z Boeing 737-800 Completed 955 km
2026-08-30 23:40 UTC SWA4121 MKE → BNA
Milwaukee → Nashville
 N8713M Boeing 737 MAX 8 Completed 840 km
2026-08-29 22:44 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N8511K Boeing 737-800 Completed 1022 km
2026-08-29 05:12 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N8312C Boeing 737-800 Completed 908 km
2026-08-28 03:21 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N8882Q Boeing 737 MAX 8 Completed 938 km
2026-08-26 20:32 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N245WN Boeing 737-700 Completed 1000 km
2026-08-25 20:09 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N7736A Boeing 737-700 Completed 899 km
2026-08-25 03:30 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N8545V Boeing 737-800 Completed 908 km
2026-08-24 00:09 UTC SWA4121 MKE → BNA
Milwaukee → Nashville
 N8694E Boeing 737-800 Completed 892 km
2026-08-22 22:47 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N8990Q Boeing 737 MAX 8 Completed 1439 km
2026-08-22 04:11 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N8901Q Boeing 737 MAX 8 Completed 1433 km
2026-08-21 04:00 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N8561Z Boeing 737-800 Completed 1092 km
2026-08-19 20:09 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N276WN Boeing 737-700 Completed 2800 km
2026-08-18 20:07 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N224WN Boeing 737-700 Completed ~3103 km est. (2345 km recorded)
2026-08-18 03:48 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N8928Q Boeing 737 MAX 8 Completed 1246 km
2026-08-17 01:08 UTC SWA4121 MKE → BNA
Milwaukee → Nashville
 N8742M Boeing 737 MAX 8 Completed 1229 km
2026-08-15 16:56 UTC SWA4121 DAL → SLC
Dallas → Salt Lake City
 N8834L Boeing 737 MAX 8 Completed 5240 km
2026-08-15 03:40 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N8719Q Boeing 737 MAX 8 Completed ~2362 km est. (1085 km recorded)
2026-08-14 04:12 UTC SWA4121 PHX → SLC
Phoenix → Salt Lake City
 N8839Q Boeing 737 MAX 8 Completed 1582 km
2026-08-14 01:36 UTC SWA4121 SMF → PHX
Sacramento → Phoenix
 N8839Q Boeing 737 MAX 8 Completed 1267 km
2026-08-13 19:10 UTC SWA4121 BNA → SMF
Nashville → Sacramento
 N8839Q Boeing 737 MAX 8 Completed 3678 km
2026-08-12 21:34 UTC SWA4121 BWI → BNA
Baltimore → Nashville
 N8839Q Boeing 737 MAX 8 Completed ~6255 km est. (3956 km recorded)

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