Apparatus

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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 MVFR

San Francisco International Airport

San Francisco, US

Local time
00:18 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
270° / 10 kt
Visibility
10 SM
Ceiling
OVC 1,000 ft
Temp / Dew
13°C / 11°C
Altimeter
30.11 inHg

Obs: 2026-05-30T06:56:00.000Z

Raw METAR / TAF 
METAR KSFO 300656Z 27010KT 10SM OVC010 13/11 A3011 RMK AO2 SLP195 T01280106

TAF KSFO 300520Z 3006/3112 26009KT P6SM OVC008 FM301000 27006KT P6SM OVC012 FM301800 28012KT P6SM SKC FM302300 27022KT P6SM SKC FM310600 28012KT P6SM SKC

flight Live Traffic

flight_takeoff 247 Departures
flight_land 186 Arrivals

Arrival

AUS KAUS VFR

Austin Bergstrom International Airport

Austin, US

Local time
02:18 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
542 ft
Coordinates
30.1975, -97.6620

cloud Weather

Wind
200° / 6 kt
Visibility
10 SM
Ceiling
SCT 25,000 ft
Temp / Dew
23°C / 22°C
Altimeter
29.86 inHg

Obs: 2026-05-30T06:53:00.000Z

Raw METAR / TAF 
METAR KAUS 300653Z 20006KT 10SM SCT250 23/22 A2986 RMK AO2 SLP101 T02330217 $

TAF KAUS 300540Z 3006/3112 18008KT P6SM FEW250 FM301000 19005KT P6SM BKN015 FM301500 19010KT P6SM SCT035 BKN200 FM302300 16009KT P6SM FEW050 BKN200

flight Live Traffic

flight_takeoff 35 Departures
flight_land 24 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-30 A2B8C5 SFO → AUS May 30, 01:40 UTCMay 30, 03:55 UTC2h 15m - -
2026-05-29 A44960 SFO → AUS May 29, 21:30 UTCMay 29, 23:30 UTC2h 0m - -
2026-05-28 A44918 SFO → AUS May 28, 21:30 UTCMay 29, 00:35 UTC3h 5m - -
2026-05-27 A5D713 SFO → AUS May 27, 20:50 UTCMay 28, 00:00 UTC3h 10m - -
2026-05-26 A2BB83 SFO → AUS May 26, 20:50 UTCMay 27, 00:04 UTC3h 15m - -
2026-05-25 A5D713 SFO → AUS May 25, 21:19 UTCMay 26, 00:19 UTC3h 0m - -
2026-05-24 A12F07 SFO → AUS May 24, 20:55 UTCMay 24, 23:46 UTC2h 51m - -
2026-05-23 AA7F06 SFO → AUS May 23, 20:50 UTCMay 24, 00:10 UTC3h 20m - -
2026-05-22 AA7EC3 SFO → AUS May 22, 20:50 UTCMay 22, 23:55 UTC3h 5m - -
2026-05-21 A39FB7 SFO → AUS May 21, 21:15 UTCMay 22, 00:55 UTC3h 40m - -
2026-05-20 A03618 SFO → AUS May 20, 20:20 UTCMay 20, 23:35 UTC3h 15m - -
2026-05-19 AA7E2E SFO → AUS May 19, 20:25 UTCMay 19, 23:55 UTC3h 30m - -
2026-05-18 AA7E36 SFO → AUS May 18, 20:20 UTCMay 18, 23:35 UTC3h 15m - -
2026-05-17 A28928 SFO → AUS May 17, 21:10 UTCMay 18, 00:45 UTC3h 35m - -
2026-05-16 A28928 SFO → AUS May 16, 20:35 UTCMay 16, 23:50 UTC3h 15m - -
2026-05-15 A239E0 SFO → AUS May 15, 20:10 UTCMay 15, 23:35 UTC3h 25m - -
2026-05-14 A416BE SFO → AUS May 14, 20:20 UTCMay 14, 23:40 UTC3h 20m - -
2026-05-13 A6E258 SFO → AUS May 13, 20:05 UTCMay 13, 23:25 UTC3h 20m - -
2026-05-12 A3C847 SFO → AUS May 12, 20:20 UTCMay 12, 23:45 UTC3h 25m - -
2026-05-11 A1235B SFO → AUS May 11, 20:20 UTCMay 12, 03:40 UTC7h 20m - -
2026-05-10 ABE448 SFO → AUS May 10, 20:14 UTCMay 10, 23:39 UTC3h 25m - -
2026-05-10 ABE448 SFO → AUS May 10, 20:15 UTCMay 10, 23:38 UTC3h 23m +14m -5m
2026-05-09 A9D5E5 SFO → AUS May 9, 21:09 UTCMay 10, 00:39 UTC3h 30m - -
2026-05-08 A0FBFA SFO → AUS May 8, 20:10 UTCMay 9, 00:00 UTC3h 50m - -
2026-05-07 A0FBFA SFO → AUS May 7, 20:40 UTCMay 8, 00:20 UTC3h 40m - -
2026-05-06 A28947 SFO → AUS May 6, 20:36 UTCMay 7, 00:10 UTC3h 34m - -
2026-05-05 A3C775 SFO → AUS May 5, 21:40 UTCMay 6, 01:20 UTC3h 40m - -
2026-05-04 A28947 SFO → AUS May 4, 20:25 UTCMay 4, 23:50 UTC3h 25m - -
2026-05-04 A28947 SFO → AUS May 4, 20:15 UTCMay 4, 23:44 UTC3h 29m +14m -15m
2026-04-29 A62BDC SFO → AUS Apr 29, 20:10 UTCApr 30, 00:00 UTC3h 49m - -

Performance history

Flights tracked
56 showing last 30
Avg arrival delay
-10m
On-time arrival
100% 100% on time
Aircraft used
24

Monthly activity 2 months

Month Flights tracked
May 2026 29
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 3h 26m from takeoff to landing.
How often does UAL557 fly?
UAL557 has been observed flying daily in our tracking data. We've recorded 56 flights under this callsign.
Is flight UAL557 usually on time?
Across recent flights, UAL557 arrives 10 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL557?
UAL557 has been operated by 24 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.