Apparatus

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flight_takeoff Flight

UAL636T

Operated by United Airlines

Live map

Live map filtered to UAL636T. Shown when the flight is currently airborne.

Route airports View route page →

Departure

IAH KIAH VFR

George Bush Intercontinental Airport

Houston, US

Local time
16:59 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
97 ft
Coordinates
29.9844, -95.3414

cloud Weather

Wind
160° / 16G24 kt
Visibility
10 SM
Ceiling
FEW 4,500 ft, SCT 6,500 ft, BKN 25,000 ft
Temp / Dew
32°C / 23°C
Altimeter
29.95 inHg
Wx
TS

Obs: 2026-08-28T21:35:00.000Z

Raw METAR / TAF 
SPECI KIAH 282135Z 16016G24KT 10SM TS FEW045CB SCT065 BKN250 32/23 A2995 RMK AO2 TSB35 OCNL LTGICCG E-SE AND DSNT W-NW TS E-SE MOV W CB AND SHRA DSNT W-NW MOV SW T03170228

TAF KIAH 282119Z 2821/2924 13007KT P6SM VCSH SCT050 SCT250 TEMPO 2821/2901 VRB15G25KT -TSRA BKN050CB FM290400 14005KT P6SM SCT040 FM290600 VRB05KT P6SM FEW030

flight Live Traffic

flight_takeoff 184 Departures
flight_land 201 Arrivals

Arrival

SAT KSAT VFR

San Antonio International Airport

San Antonio, US

Local time
16:59 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
809 ft
Coordinates
29.5337, -98.4698

cloud Weather

Wind
0° / 0 kt
Visibility
10 SM
Ceiling
BKN 7,000 ft, BKN 25,000 ft
Temp / Dew
36°C / 18°C
Altimeter
29.94 inHg

Obs: 2026-08-28T21:51:00.000Z

Raw METAR / TAF 
METAR KSAT 282151Z 00000KT 10SM BKN070 BKN250 36/18 A2994 RMK AO2 SLP119 SHRA DSNT N-NE CB DSNT W MOVG SLOLY S T03610183

TAF KSAT 282100Z 2821/2924 12006KT P6SM BKN150 BKN250 PROB30 2821/2824 VRB15G25KT 4SM TSRA BKN050CB FM290100 14008KT P6SM -SHRA BKN250 FM290700 VRB03KT P6SM BKN250 FM291600 15004KT P6SM BKN250

flight Live Traffic

flight_takeoff 48 Departures
flight_land 41 Arrivals

Recent history last 10

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-19 A5D2F9 IAH → SAT Jul 19, 05:30 UTCJul 19, 05:55 UTC25m - -
2026-07-19 A5D2F9 IAH → SAT Jul 19, 05:27 UTCJul 19, 05:57 UTC30m +377m +15m
2026-07-19 A5D2F9 IAH → SAT Jul 19, 01:25 UTCJul 19, 04:00 UTC2h 35m - -
2026-07-18 A12AA4 IAH → SAT Jul 18, 02:40 UTCJul 18, 04:10 UTC1h 31m - -
2026-06-17 A44984 IAH → SAT Jun 17, 23:50 UTCJun 18, 01:25 UTC1h 35m - -
2026-06-12 A44960 IAH → SAT Jun 12, 03:52 UTCJun 12, 04:59 UTC1h 7m +267m -7m
2026-06-12 A44960 IAH → SAT Jun 12, 03:25 UTCJun 12, 03:35 UTC10m - -
2026-06-06 A46D4F IAH → SAT Jun 6, 01:02 UTCJun 6, 02:15 UTC1h 13m +97m on time
2026-06-06 A46D4F IAH → SAT Jun 6, 00:45 UTCJun 6, 01:45 UTC1h 0m - -
2026-05-25 A92384 IAH → SAT May 25, 23:49 UTCMay 26, 01:14 UTC1h 25m - -

Performance history

Flights tracked
10
Avg arrival delay
+3m
On-time arrival
100% 100% on time
Aircraft used
6

Monthly activity 3 months

Month Flights tracked
July 2026 4
June 2026 5
May 2026 1

UAL636T frequently asked

Where does flight UAL636T fly?
UAL636T (United Airlines) flies from IAH to SAT. View the full route page.
How long is flight UAL636T?
Based on observed flights, UAL636T takes on average 1h 9m from takeoff to landing.
How often does UAL636T fly?
UAL636T has been observed flying several times a week in our tracking data. We've recorded 10 flights under this callsign.
Is flight UAL636T usually on time?
Across recent flights, UAL636T arrives with an average 3-minute delay. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL636T?
UAL636T has been operated by 6 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL636T live?
Yes. When UAL636T 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.