Apparatus

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flight_takeoff Flight

UAL643

Operated by UAL

Live map

Live map filtered to UAL643. Shown when the flight is currently airborne.

Upcoming flights 1 scheduled

From To Scheduled departure Estimated arrival Status
SNA IAH Jul 14, 10:05 PM UTC Jul 15, 01:11 AM UTC Planned

Route airports View route page →

Departure

SNA KSNA VFR

John Wayne Orange County International Airport

Santa Ana, US

Local time
14:59 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
56 ft
Coordinates
33.6751, -117.8693

cloud Weather

Wind
240° / 8 kt
Visibility
10 SM
Ceiling
FEW 5,500 ft
Temp / Dew
28°C / 18°C
Altimeter
29.93 inHg

Obs: 2026-07-14T20:53:00.000Z

Raw METAR / TAF 
METAR KSNA 142053Z 24008KT 210V270 10SM FEW055 28/18 A2993 RMK AO2 SLP134 CB DSNT N AND NW TCU DSNT N-NE T02780178 58011

TAF KSNA 141736Z 1418/1518 23005KT P6SM FEW200 FM141930 23010KT P6SM FEW200 FM150300 VRB04KT P6SM FEW200 TEMPO 1512/1515 BKN009

flight Live Traffic

flight_takeoff 66 Departures
flight_land 71 Arrivals

Arrival

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
VRB / 4 kt
Visibility
10 SM
Ceiling
FEW 900 ft, FEW 4,000 ft, BKN 9,000 ft, OVC 13,000 ft
Temp / Dew
26°C / 24°C
Altimeter
30.06 inHg
Wx
-RA

Obs: 2026-07-14T20:53:00.000Z

Raw METAR / TAF 
METAR KIAH 142053Z VRB04KT 10SM -RA FEW009 FEW040 BKN090 OVC130 26/24 A3006 RMK AO2 RAB1957 SLP179 P0000 60000 T02560239 56020

TAF KIAH 142124Z 1421/1524 VRB04KT P6SM VCSH FEW009 FEW040 BKN090 FM150300 VRB03KT P6SM SCT030 BKN070 FM151500 13005KT 6SM SHRA SCT030 BKN060 PROB30 1515/1518 4SM TSRA BKN035CB FM151800 16009KT 6SM SHRA BR SCT030 BKN050 FM152200 18007KT P6SM SCT050

flight Live Traffic

flight_takeoff 285 Departures
flight_land 273 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-14 A12734 - Jul 14, 17:40 UTCJul 14, 18:45 UTC1h 5m - -
2026-07-14 A1272F - Jul 14, 13:10 UTCJul 14, 14:10 UTC1h 0m - -
2026-07-13 A2B12E - Jul 13, 23:00 UTCJul 14, 01:55 UTC2h 55m - -
2026-07-13 A12799 - Jul 13, 17:50 UTCJul 13, 19:00 UTC1h 10m - -
2026-07-13 A12A7D LAS → SFO Jul 13, 13:20 UTCJul 13, 14:25 UTC1h 5m - -
2026-07-12 A44211 - Jul 12, 23:00 UTCJul 13, 01:50 UTC2h 50m - -
2026-07-12 A12732 - Jul 12, 17:40 UTCJul 12, 18:50 UTC1h 10m - -
2026-07-12 A46D95 LAS → SFO Jul 12, 13:20 UTCJul 12, 14:25 UTC1h 5m - -
2026-07-11 A22539 - Jul 11, 22:10 UTCJul 12, 01:00 UTC2h 50m - -
2026-07-11 A43EA7 - Jul 11, 17:40 UTCJul 11, 18:45 UTC1h 5m - -
2026-07-11 A5CC35 LAS → SFO Jul 11, 13:10 UTCJul 11, 14:15 UTC1h 5m - -
2026-07-10 A12777 - Jul 10, 22:50 UTCJul 11, 01:40 UTC2h 50m - -
2026-07-10 A6045D - Jul 10, 17:45 UTCJul 10, 18:50 UTC1h 5m - -
2026-07-10 A43EEC LAS → SFO Jul 10, 13:10 UTCJul 10, 14:15 UTC1h 5m - -
2026-07-09 A1242D - Jul 9, 22:15 UTCJul 10, 01:05 UTC2h 50m - -
2026-07-09 A2B176 - Jul 9, 17:40 UTCJul 9, 18:45 UTC1h 5m - -
2026-07-09 A5CF82 LAS → SFO Jul 9, 13:10 UTCJul 9, 14:20 UTC1h 10m - -
2026-07-08 A126C3 - Jul 8, 22:10 UTCJul 9, 01:00 UTC2h 50m - -
2026-07-08 A43E60 - Jul 8, 17:50 UTCJul 8, 18:55 UTC1h 5m - -
2026-07-08 A43EEC - Jul 8, 13:10 UTCJul 8, 14:15 UTC1h 5m - -
2026-07-07 A123BF - Jul 7, 22:15 UTCJul 8, 01:00 UTC2h 45m - -
2026-07-07 A5CF1B - Jul 7, 18:00 UTCJul 7, 19:10 UTC1h 10m - -
2026-07-07 A5CF1B SFO → SNA Jul 7, 17:58 UTCJul 7, 19:07 UTC1h 9m +38m +5m
2026-07-07 A12AC2 LAS → SFO Jul 7, 13:15 UTCJul 7, 14:20 UTC1h 5m - -
2026-07-06 A44212 - Jul 6, 22:20 UTCJul 7, 01:05 UTC2h 45m - -
2026-07-06 A44212 SNA → IAH Jul 6, 22:18 UTCJul 7, 01:07 UTC2h 49m +13m -13m
2026-07-06 A44238 - Jul 6, 17:45 UTCJul 6, 18:55 UTC1h 10m - -
2026-07-06 A2B17A LAS → SFO Jul 6, 13:20 UTCJul 6, 14:25 UTC1h 5m - -
2026-07-05 A5CF66 - Jul 5, 22:15 UTCJul 6, 01:05 UTC2h 50m - -
2026-07-05 A5CC35 - Jul 5, 17:50 UTCJul 5, 19:00 UTC1h 10m - -

Performance history

Flights tracked
320 showing last 30
Avg arrival delay
-4m
On-time arrival
100% 100% on time
Aircraft used
26

Monthly activity 4 months

Month Flights tracked
July 2026 42
June 2026 101
May 2026 107
April 2026 70

UAL643 frequently asked

Where does flight UAL643 fly?
UAL643 (UAL) flies from SNA to IAH. View the full route page.
How long is flight UAL643?
Based on observed flights, UAL643 takes on average 1h 41m from takeoff to landing.
How often does UAL643 fly?
UAL643 has been observed flying several times a week in our tracking data. We've recorded 320 flights under this callsign.
Is flight UAL643 usually on time?
Across recent flights, UAL643 arrives 4 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL643?
UAL643 has been operated by 26 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL643 live?
Yes. When UAL643 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.