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SWA3977

DEN → STL · Boeing 737-800 · Southwest Airlines

Flight

Status
Completed
Departure
Denver International Airport (DEN) — Denver, United States
Est. departure time
2026-08-14 04:32 UTC (approx.)
Arrival
St Louis Lambert International Airport (STL) — St Louis, United States
Distance flown
15383 km
Straight-line distance
1236 km
Approach distance
88 km

Aircraft

Registration
N8673F
Type
Boeing 737-800
Seats
175 total (175 Economy)

Altitude & speed

Max altitude
40,025 ft
Max ground speed
533 kt
Tracked
33h 15m · 11,711 km
Altitude (ft, max 40,025)
021,61443,2270m2h 0m4h 0m6h 0m8h 0m10h 0m12h 0m14h 0m16h 0m18h 0m20h 0m22h 0m24h 0m26h 0m28h 0m30h 0m32h 0m
Ground speed (kt, max 533)
02885760m2h 0m4h 0m6h 0m8h 0m10h 0m12h 0m14h 0m16h 0m18h 0m20h 0m22h 0m24h 0m26h 0m28h 0m30h 0m32h 0m
Altitude (ft, max 40,025)
021,61443,2270m4h 0m8h 0m12h 0m16h 0m20h 0m24h 0m28h 0m32h 0m
Ground speed (kt, max 533)
02885760m4h 0m8h 0m12h 0m16h 0m20h 0m24h 0m28h 0m32h 0m

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 13:10 UTC SWA3977 COS → DEN
Colorado Springs → Denver
 N474WN Boeing 737-700 Completed (landing confirmed by airport data) 186 km
2026-09-28 19:15 UTC SWA3977 VPS → BNA
Valparaiso → Nashville
 N8838Q Boeing 737 MAX 8 Completed 751 km
2026-09-27 19:34 UTC SWA3977 VPS → BNA
Valparaiso → Nashville
 N258WN Boeing 737-700 Completed 744 km
2026-09-26 12:37 UTC SWA3977 MSY → STL
New Orleans → St Louis
 N8565Z Boeing 737-800 Completed 1047 km
2026-09-25 19:21 UTC SWA3977 VPS → BNA
Valparaiso → Nashville
 N8554X Boeing 737-800 Completed 746 km
2026-09-25 16:25 UTC SWA3977 BWI → VPS
Baltimore → Valparaiso
 N8554X Boeing 737-800 Completed 1462 km
2026-09-24 22:44 UTC SWA3977 VPS → BNA
Valparaiso → Nashville
 N8866H Boeing 737 MAX 8 Completed 740 km
2026-09-20 19:09 UTC SWA3977 VPS → BNA
Valparaiso → Nashville
 N470WN Boeing 737-700 Completed 778 km
2026-09-19 12:38 UTC SWA3977 MSY → STL
New Orleans → St Louis
 N8787K Boeing 737 MAX 8 Completed 1096 km
2026-09-18 19:04 UTC SWA3977 VPS → BNA
Valparaiso → Nashville
 N8893L Boeing 737 MAX 8 Completed 843 km
2026-09-17 19:17 UTC SWA3977 VPS → BNA
Valparaiso → Nashville
 N8902Q Boeing 737 MAX 8 Completed 823 km
2026-09-14 19:17 UTC SWA3977 VPS → BNA
Valparaiso → Nashville
 N9017L Boeing 737 MAX 8 Completed 812 km
2026-09-13 19:01 UTC SWA3977 VPS → BNA
Valparaiso → Nashville
 N495WN Boeing 737-700 Completed 841 km
2026-09-12 12:41 UTC SWA3977 MSY → STL
New Orleans → St Louis
 N8510E Boeing 737-800 Completed 1075 km
2026-09-11 19:39 UTC SWA3977 VPS → BNA
Valparaiso → Nashville
 N8542Z Boeing 737-800 Completed 945 km
2026-09-10 20:08 UTC SWA3977 VPS → BNA
Valparaiso → Nashville
 N8901Q Boeing 737 MAX 8 Completed 849 km
2026-09-07 19:11 UTC SWA3977 VPS → BNA
Valparaiso → Nashville
 N9016S Boeing 737 MAX 8 Completed 791 km
2026-09-05 12:39 UTC SWA3977 MSY → STL
New Orleans → St Louis
 N8975K Boeing 737 MAX 8 Completed 1079 km
2026-09-04 19:11 UTC SWA3977 VPS → BNA
Valparaiso → Nashville
 N8581Z Boeing 737-800 Completed 766 km
2026-09-03 19:49 UTC SWA3977 VPS → BNA
Valparaiso → Nashville
 N8957Q Boeing 737 MAX 8 Completed 825 km
2026-08-31 19:18 UTC SWA3977 VPS → BNA
Valparaiso → Nashville
 N8885Q Boeing 737 MAX 8 Completed 842 km
2026-08-30 19:00 UTC SWA3977 VPS → BNA
Valparaiso → Nashville
 N963WN Boeing 737-700 Completed 858 km
2026-08-29 12:40 UTC SWA3977 MSY → STL
New Orleans → St Louis
 N878Q Boeing 737 MAX 8 Completed 1159 km
2026-08-28 18:56 UTC SWA3977 VPS → BNA
Valparaiso → Nashville
 N8878L Boeing 737 MAX 8 Completed 813 km
2026-08-27 19:08 UTC SWA3977 VPS → BNA
Valparaiso → Nashville
 N8908Q Boeing 737 MAX 8 Completed 826 km
2026-08-24 18:57 UTC SWA3977 VPS → BNA
Valparaiso → Nashville
 N8801Q Boeing 737 MAX 8 Completed 812 km
2026-08-23 19:07 UTC SWA3977 VPS → BNA
Valparaiso → Nashville
 N923WN Boeing 737-700 Completed 798 km
2026-08-22 12:42 UTC SWA3977 MSY → STL
New Orleans → St Louis
 N8831L Boeing 737 MAX 8 Completed 1497 km
2026-08-21 20:10 UTC SWA3977 VPS → BNA
Valparaiso → Nashville
 N8803L Boeing 737 MAX 8 Completed 1132 km
2026-08-20 19:23 UTC SWA3977 VPS → BNA
Valparaiso → Nashville
 N8857Q Boeing 737 MAX 8 Completed 1375 km
2026-08-17 19:10 UTC SWA3977 VPS → BNA
Valparaiso → Nashville
 N8837Q Boeing 737 MAX 8 Completed ~1589 km est. (1194 km recorded)
2026-08-16 19:09 UTC SWA3977 VPS → BNA
Valparaiso → Nashville
 N7736A Boeing 737-700 Completed 1114 km
2026-08-14 04:51 UTC SWA3977 DEN → STL
Denver → St Louis
 N8673F Boeing 737-800 Completed 15383 km

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