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flight_takeoff Flight

SWA3521

Operated by SWA

Live map

Live map filtered to SWA3521. Shown when the flight is currently airborne.

Route airports View route page →

Departure

MDW KMDW VFR

Chicago Midway International Airport

Chicago, US

Local time
01:44 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
620 ft
Coordinates
41.7860, -87.7524

cloud Weather

Wind
130° / 8 kt
Visibility
10 SM
Ceiling
FEW 1,600 ft, BKN 3,200 ft, OVC 5,000 ft
Temp / Dew
19°C / 18°C
Altimeter
29.73 inHg

Obs: 2026-04-15T05:53:00.000Z

Raw METAR / TAF 
METAR KMDW 150553Z 13008KT 10SM FEW016 BKN032 OVC050 19/18 A2973 RMK AO2 RAE03 TSE10 SLP059 CONS LTGICCG DSNT N-E CB DSNT N-E P0001 60041 T01890178 10272 20178 402780139 50017

TAF KMDW 150632Z 1507/1612 17008KT P6SM FEW015 BKN035 FM150900 23011KT P6SM VCSH SCT050 BKN080 PROB30 1510/1513 3SM -TSRA SCT030 OVC035CB FM151300 21013G20KT P6SM VCSH SCT050 BKN100 FM152200 19012G22KT 6SM -SHRA VCTS SCT025 BKN040CB TEMPO 1522/1602 2SM TSRA BR OVC030CB FM160200 18009KT 6SM -SHRA VCTS SCT015CB OVC035

flight Live Traffic

flight_takeoff 58 Departures
flight_land 61 Arrivals

Arrival

SEA KSEA VFR

Seattle–Tacoma International Airport

Seattle, US

Local time
23:44 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
230° / 7 kt
Visibility
6 SM
Ceiling
OVC 3,300 ft
Temp / Dew
7°C / 6°C
Altimeter
29.77 inHg
Wx
-RA BR

Obs: 2026-04-15T05:53:00.000Z

Raw METAR / TAF 
METAR KSEA 150553Z 23007KT 6SM -RA BR OVC033 07/06 A2977 RMK AO2 SLP088 P0015 60052 T00720061 10083 20072 55007

TAF KSEA 150520Z 1506/1612 18010G18KT 6SM -RA OVC020 FM150700 18010G20KT P6SM VCSH SCT025 OVC035 FM150900 15009KT P6SM BKN040 FM151500 21007KT P6SM VCSH SCT025 BKN035 FM151900 22010G18KT P6SM -SHRA SCT030 BKN040 FM152300 23009KT P6SM -RA SCT025 BKN035 FM160200 03006KT P6SM -RA SCT025 BKN035

flight Live Traffic

flight_takeoff 398 Departures
flight_land 467 Arrivals

Recent history last 6

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-04-13 AC2FA4 - Apr 13, 19:50 UTCApr 13, 19:55 UTC5m - -
2026-04-13 AC2FA4 - Apr 13, 16:15 UTCApr 13, 19:55 UTC3h 40m - -
2026-04-13 AC2FA4 - Apr 13, 15:51 UTCApr 13, 19:55 UTC4h 4m +16m +10m
2026-04-13 AC4F4C - Apr 13, 01:20 UTCApr 13, 01:45 UTC25m - -
2026-04-13 AC4F4C - Apr 13, 00:26 UTCApr 13, 01:01 UTC35m +41m +6m
2026-04-12 AC4F4C - Apr 12, 17:15 UTCApr 12, 19:35 UTC2h 20m - -

Performance history

Flights tracked
6
Avg arrival delay
+8m
On-time arrival
100% 100% on time
Aircraft used
2

Monthly activity 1 month

Month Flights tracked
April 2026 6

SWA3521 frequently asked

Where does flight SWA3521 fly?
SWA3521 (SWA) flies from MDW to SEA. View the full route page.
How long is flight SWA3521?
Based on observed flights, SWA3521 takes on average 1h 51m from takeoff to landing.
How often does SWA3521 fly?
SWA3521 has been observed flying occasionally in our tracking data. We've recorded 6 flights under this callsign.
Is flight SWA3521 usually on time?
Across recent flights, SWA3521 arrives with an average 8-minute delay. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight SWA3521?
SWA3521 has been operated by 2 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track SWA3521 live?
Yes. When SWA3521 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.