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SWA4991

PHX → TUS · Boeing 737-800 · Southwest Airlines

For travellers

Departure · Phoenix (PHX)

Terminal 4 · Gate C11
Scheduled 28 Sep 12:35 · Estimated 28 Sep 12:35
Board status: On Time
Airborne since 28 Sep 12:37 (ADS-B)

Board data from phx, updated 7723 min ago; times local to each airport.

Flight

Status
Completed
Arrival confirmed via
ADS-B (ground reading)
Departure
Phoenix Sky Harbor International Airport (PHX) — Phoenix, United States
Scheduled departure
2026-09-28 19:35 UTC
Departed
2026-09-28 19:37 UTC
Arrival
Tucson International Airport / Morris Air National Guard Base (TUS) — Tucson, United States
Also flies as
WN4991
Distance flown
269 km
Straight-line distance
178 km
Approach distance
105 km

Aircraft

Registration
N8515X
Type
Boeing 737-800
Seats
175 total (175 Economy)
CO2 (EMEP est., total)
7.7 t (44 kg/pax Economy)

Altitude & speed

Max altitude
19,025 ft
Max ground speed
366 kt
Tracked
1h 41m · 268 km
Altitude (ft, max 19,025)
010,27420,5470m30m1h 0m1h 30m
Ground speed (kt, max 366)
01983950m30m1h 0m1h 30m
Altitude (ft, max 19,025)
010,27420,5470m1h 0m
Ground speed (kt, max 366)
01983950m1h 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 22:12 UTC SWA4991 MCO → LAX
Orlando → Los Angeles
 N8727M Boeing 737 MAX 8 In progress ~3562 km est.
2026-09-28 21:19 UTC SWA4991 TUS → DEN
Tucson → Denver
 N8515X Boeing 737-800 Completed 1122 km
2026-09-28 19:37 UTC SWA4991 PHX → TUS
Phoenix → Tucson
 N8515X Boeing 737-800 Completed 269 km
2026-09-26 02:09 UTC SWA4991 ? → DEN
? → Denver
 N9023R Boeing 737 MAX 8 Completed 360 km
2026-09-25 21:55 UTC SWA4991 TUS → DEN
Tucson → Denver
 N9023R Boeing 737 MAX 8 Incomplete (signal lost) 1695 km
2026-09-25 19:57 UTC SWA4991 PHX → TUS
Phoenix → Tucson
 N9023R Boeing 737 MAX 8 Completed 253 km
2026-09-24 21:28 UTC SWA4991 TUS → DEN
Tucson → Denver
 N9027S Boeing 737 MAX 8 Completed 1100 km
2026-09-24 19:50 UTC SWA4991 PHX → TUS
Phoenix → Tucson
 N9027S Boeing 737 MAX 8 Completed 246 km
2026-09-21 21:39 UTC SWA4991 TUS → DEN
Tucson → Denver
 N1802U Boeing 737 MAX 8 Completed 1134 km
2026-09-21 19:25 UTC SWA4991 PHX → TUS
Phoenix → Tucson
 N1802U Boeing 737 MAX 8 Completed 223 km
2026-09-18 22:15 UTC SWA4991 TUS → DEN
Tucson → Denver
 N8883Q Boeing 737 MAX 8 Completed 1442 km
2026-09-18 19:42 UTC SWA4991 PHX → TUS
Phoenix → Tucson
 N8883Q Boeing 737 MAX 8 Completed 235 km
2026-09-17 21:32 UTC SWA4991 TUS → DEN
Tucson → Denver
 N8990Q Boeing 737 MAX 8 Completed 1187 km
2026-09-17 19:51 UTC SWA4991 PHX → TUS
Phoenix → Tucson
 N8990Q Boeing 737 MAX 8 Completed 263 km
2026-09-14 21:25 UTC SWA4991 TUS → DEN
Tucson → Denver
 N8874Q Boeing 737 MAX 8 Completed 1253 km
2026-09-14 19:47 UTC SWA4991 PHX → TUS
Phoenix → Tucson
 N8874Q Boeing 737 MAX 8 Completed 275 km
2026-09-11 21:21 UTC SWA4991 TUS → DEN
Tucson → Denver
 N8730Q Boeing 737 MAX 8 Completed 1339 km
2026-09-11 19:36 UTC SWA4991 PHX → TUS
Phoenix → Tucson
 N8730Q Boeing 737 MAX 8 Completed 285 km
2026-09-10 21:12 UTC SWA4991 TUS → DEN
Tucson → Denver
 N8820L Boeing 737 MAX 8 Completed 1276 km
2026-09-10 19:13 UTC SWA4991 PHX → TUS
Phoenix → Tucson
 N8820L Boeing 737 MAX 8 Completed 286 km
2026-09-07 21:33 UTC SWA4991 TUS → DEN
Tucson → Denver
 N8782Q Boeing 737 MAX 8 Completed 1151 km
2026-09-07 20:00 UTC SWA4991 PHX → TUS
Phoenix → Tucson
 N8782Q Boeing 737 MAX 8 Completed 279 km
2026-09-04 21:41 UTC SWA4991 TUS → DEN
Tucson → Denver
 N8783L Boeing 737 MAX 8 Completed 1148 km
2026-09-04 19:50 UTC SWA4991 PHX → TUS
Phoenix → Tucson
 N8783L Boeing 737 MAX 8 Completed 245 km
2026-09-03 19:19 UTC SWA4991 PHX → DEN
Phoenix → Denver
 N8709Q Boeing 737 MAX 8 Completed 1583 km
2026-08-31 21:15 UTC SWA4991 TUS → DEN
Tucson → Denver
 N8840Q Boeing 737 MAX 8 Completed 1232 km
2026-08-31 19:25 UTC SWA4991 PHX → TUS
Phoenix → Tucson
 N8840Q Boeing 737 MAX 8 Completed 234 km
2026-08-29 12:39 UTC SWA4991 BWI → FLL
Baltimore → Fort Lauderdale
 N8898L Boeing 737 MAX 8 Completed 1834 km
2026-08-28 21:23 UTC SWA4991 TUS → DEN
Tucson → Denver
 N8849Q Boeing 737 MAX 8 Completed 1788 km
2026-08-28 19:26 UTC SWA4991 PHX → TUS
Phoenix → Tucson
 N8849Q Boeing 737 MAX 8 Completed 230 km
2026-08-27 21:14 UTC SWA4991 TUS → DEN
Tucson → Denver
 N8871Q Boeing 737 MAX 8 Completed 1230 km
2026-08-27 19:08 UTC SWA4991 PHX → TUS
Phoenix → Tucson
 N8871Q Boeing 737 MAX 8 Completed 225 km
2026-08-24 21:36 UTC SWA4991 TUS → DEN
Tucson → Denver
 N8725L Boeing 737 MAX 8 Completed 1159 km
2026-08-24 19:43 UTC SWA4991 PHX → TUS
Phoenix → Tucson
 N8725L Boeing 737 MAX 8 Completed 257 km
2026-08-22 12:59 UTC SWA4991 BWI → FLL
Baltimore → Fort Lauderdale
 N8548P Boeing 737-800 Completed 2310 km
2026-08-22 05:33 UTC SWA4991 TUS → DEN
Tucson → Denver
 N8858K Boeing 737 MAX 8 Completed 1692 km
2026-08-21 19:57 UTC SWA4991 PHX → TUS
Phoenix → Tucson
 N8669B Boeing 737-800 Completed 370 km
2026-08-20 21:11 UTC SWA4991 TUS → DEN
Tucson → Denver
 N8748Q Boeing 737 MAX 8 Completed ~3744 km est. (1484 km recorded)
2026-08-20 19:06 UTC SWA4991 PHX → TUS
Phoenix → Tucson
 N8748Q Boeing 737 MAX 8 Completed 352 km
2026-08-17 21:28 UTC SWA4991 TUS → DEN
Tucson → Denver
 N8823Q Boeing 737 MAX 8 Completed 1655 km
2026-08-17 19:49 UTC SWA4991 PHX → TUS
Phoenix → Tucson
 N8823Q Boeing 737 MAX 8 Completed 238 km
2026-08-14 19:12 UTC SWA4991 PHX → DEN
Phoenix → Denver
 N8733M Boeing 737 MAX 8 Completed ~3826 km est. (2338 km recorded)
2026-08-10 20:21 UTC SWA4991 PHX → PHX
Phoenix → Phoenix
 N8530W Boeing 737-800 Completed ~3 km est. (0 km recorded)
2026-08-10 20:19 UTC SWA4991 PHX → PHX
Phoenix → Phoenix
 N8530W Boeing 737-800 Completed ~2 km est. (0 km recorded)
2026-08-10 20:19 UTC SWA4991 PHX → PHX
Phoenix → Phoenix
 N8530W Boeing 737-800 Completed ~2 km est. (0 km recorded)
2026-08-10 20:17 UTC SWA4991 PHX → PHX
Phoenix → Phoenix
 N8530W Boeing 737-800 Completed ~2 km est. (0 km recorded)
2026-08-10 20:16 UTC SWA4991 PHX → PHX
Phoenix → Phoenix
 N8530W Boeing 737-800 Completed ~2 km est. (0 km recorded)
2026-08-10 20:15 UTC SWA4991 PHX → PHX
Phoenix → Phoenix
 N8530W Boeing 737-800 Completed ~2 km est. (0 km recorded)
2026-08-10 20:14 UTC SWA4991 PHX → PHX
Phoenix → Phoenix
 N8530W Boeing 737-800 Completed ~2 km est. (0 km recorded)
2026-08-10 20:12 UTC SWA4991 PHX → PHX
Phoenix → Phoenix
 N8530W Boeing 737-800 Completed ~2 km est. (0 km recorded)

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