Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL557

Operated by United Airlines

Live map

Live map filtered to UAL557. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
08:54 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
290° / 9 kt
Visibility
10 SM
Ceiling
FEW 400 ft, BKN 12,000 ft, OVC 20,000 ft
Temp / Dew
16°C / 13°C
Altimeter
30.00 inHg
Wx
-RA

Obs: 2026-08-28T14:56:00.000Z

Raw METAR / TAF 
METAR KSFO 281456Z 29009KT 10SM -RA FEW004 BKN120 OVC200 16/13 A3000 RMK AO2 RAB52 SLP157 P0000 60000 T01610133 53024

TAF KSFO 281447Z 2815/2918 28009KT P6SM VCSH OVC150 FM282000 28016KT P6SM OVC100 FM291000 27011KT P6SM SCT010

flight Live Traffic

flight_takeoff 126 Departures
flight_land 229 Arrivals

Arrival

AUS KAUS VFR

Austin Bergstrom International Airport

Austin, US

Local time
10:54 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
542 ft
Coordinates
30.1975, -97.6620

cloud Weather

Wind
0° / 0 kt
Visibility
10 SM
Ceiling
FEW 9,000 ft, FEW 20,000 ft
Temp / Dew
30°C / 22°C
Altimeter
30.04 inHg

Obs: 2026-08-28T14:53:00.000Z

Raw METAR / TAF 
METAR KAUS 281453Z 00000KT 10SM FEW090 FEW200 30/22 A3004 RMK AO2 SLP163 T03000217 51009

TAF KAUS 281501Z 2815/2918 VRB04KT P6SM BKN200 FM281900 09007KT P6SM SCT040 BKN250 FM290100 14008KT P6SM SCT250

flight Live Traffic

flight_takeoff 133 Departures
flight_land 127 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A0ACF9 SFO → AUS Jul 26, 13:10 UTCJul 26, 14:20 UTC1h 10m - -
2026-07-25 A44611 - Jul 25, 13:10 UTCJul 25, 14:15 UTC1h 5m - -
2026-07-25 A44611 BIL → DEN Jul 25, 13:17 UTCJul 25, 14:14 UTC57m +17m +18m
2026-07-24 AC0BC4 - Jul 24, 13:10 UTCJul 24, 14:15 UTC1h 5m - -
2026-07-24 AC0BC4 BIL → DEN Jul 24, 13:17 UTCJul 24, 14:13 UTC56m +17m +3m
2026-07-23 A445F2 - Jul 23, 13:10 UTCJul 23, 14:20 UTC1h 10m - -
2026-07-22 A4455E - Jul 22, 13:00 UTCJul 22, 14:10 UTC1h 10m - -
2026-07-21 A44544 - Jul 21, 13:35 UTCJul 21, 14:45 UTC1h 10m - -
2026-07-20 A2B8C5 - Jul 20, 13:30 UTCJul 20, 14:35 UTC1h 5m - -
2026-07-18 A494EB - Jul 18, 13:35 UTCJul 18, 14:40 UTC1h 5m - -
2026-07-17 AA2BC2 - Jul 17, 16:19 UTCJul 17, 17:25 UTC1h 5m - -
2026-07-16 A41E2C - Jul 16, 13:30 UTCJul 16, 14:50 UTC1h 20m - -
2026-07-15 A445F0 - Jul 15, 13:25 UTCJul 15, 14:30 UTC1h 5m - -
2026-07-14 AA2BA1 - Jul 14, 13:20 UTCJul 14, 14:30 UTC1h 10m - -
2026-07-13 A8D489 - Jul 13, 13:15 UTCJul 13, 14:25 UTC1h 10m - -
2026-07-12 A3A0CC - Jul 12, 13:15 UTCJul 12, 14:25 UTC1h 10m - -
2026-07-11 A5D28E - Jul 11, 13:10 UTCJul 11, 14:15 UTC1h 5m - -
2026-07-11 A5D28E BIL → DEN Jul 11, 13:17 UTCJul 11, 14:15 UTC58m +17m +2m
2026-07-10 A494EB - Jul 10, 16:05 UTCJul 10, 17:15 UTC1h 10m - -
2026-07-10 A494EB BIL → DEN Jul 10, 16:02 UTCJul 10, 17:10 UTC1h 8m +182m -12m
2026-07-09 A41E90 - Jul 9, 13:10 UTCJul 9, 14:20 UTC1h 10m - -
2026-07-08 A837A3 - Jul 8, 13:10 UTCJul 8, 14:15 UTC1h 5m - -
2026-07-07 A94B51 - Jul 7, 13:15 UTCJul 7, 14:20 UTC1h 5m - -
2026-07-07 A94B51 BIL → DEN Jul 7, 13:17 UTCJul 7, 14:19 UTC1h 2m +17m +7m
2026-07-06 A46D26 - Jul 6, 13:15 UTCJul 6, 14:30 UTC1h 15m - -
2026-07-05 A03618 - Jul 5, 13:05 UTCJul 5, 14:25 UTC1h 20m - -
2026-07-04 A46D29 - Jul 4, 17:10 UTCJul 4, 18:15 UTC1h 5m - -
2026-07-03 A4945F - Jul 3, 13:05 UTCJul 3, 14:10 UTC1h 5m - -
2026-07-02 A8FC2E - Jul 2, 13:10 UTCJul 2, 14:30 UTC1h 20m - -
2026-07-02 A8FC2E BIL → DEN Jul 2, 13:17 UTCJul 2, 14:27 UTC1h 10m +17m +11m

Performance history

Flights tracked
127 showing last 30
Avg arrival delay
+5m
On-time arrival
83% 83% on time
Aircraft used
23

Monthly activity 4 months

Month Flights tracked
July 2026 31
June 2026 38
May 2026 31
April 2026 27

UAL557 frequently asked

Where does flight UAL557 fly?
UAL557 (United Airlines) flies from SFO to AUS. View the full route page.
How long is flight UAL557?
Based on observed flights, UAL557 takes on average 1h 8m from takeoff to landing.
How often does UAL557 fly?
UAL557 has been observed flying several times a week in our tracking data. We've recorded 127 flights under this callsign.
Is flight UAL557 usually on time?
Across recent flights, UAL557 arrives with an average 5-minute delay. 83% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL557?
UAL557 has been operated by 23 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL557 live?
Yes. When UAL557 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.