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
19:50 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
97 ft
Coordinates
29.9844, -95.3414

cloud Weather

Wind
130° / 7 kt
Visibility
10 SM
Ceiling
SCT 2,000 ft, BKN 7,000 ft, BKN 12,000 ft, BKN 19,000 ft
Temp / Dew
27°C / 25°C
Altimeter
29.95 inHg
Wx
-RA

Obs: 2026-10-12T23:53:00.000Z

Raw METAR / TAF 
METAR KIAH 122353Z 13007KT 10SM -RA SCT020 BKN070 BKN120 BKN190 27/25 A2995 RMK AO2 RAB45 SLP142 P0000 60000 T02670250 10322 20267 55004

TAF KIAH 122320Z 1300/1406 14012KT P6SM SCT025 BKN045 FM130300 14006KT P6SM BKN025 FM131000 15005KT P6SM BKN035 FM131600 15010KT P6SM SCT030 BKN040 PROB30 1318/1323 -SHRA

flight Live Traffic

flight_takeoff 215 Departures
flight_land 190 Arrivals

Arrival

SAT KSAT VFR

San Antonio International Airport

San Antonio, US

Local time
19:50 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
809 ft
Coordinates
29.5337, -98.4698

cloud Weather

Wind
140° / 10 kt
Visibility
10 SM
Ceiling
FEW 4,600 ft, BKN 6,000 ft, BKN 20,000 ft
Temp / Dew
31°C / 21°C
Altimeter
29.91 inHg

Obs: 2026-10-12T23:51:00.000Z

Raw METAR / TAF 
METAR KSAT 122351Z 14010KT 10SM FEW046 BKN060 BKN200 31/21 A2991 RMK AO2 SLP109 T03110206 10322 20294 55004 $

TAF KSAT 122338Z 1300/1406 14012KT P6SM SCT045 BKN070 BKN200 FM130600 16010KT P6SM OVC012 FM131600 16008KT P6SM BKN026 FM131800 16012G22KT P6SM BKN040 BKN150 FM132200 15016G26KT P6SM SCT070 BKN150

flight Live Traffic

flight_takeoff 57 Departures
flight_land 50 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.