Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL643

Operated by UAL

Live map

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

Route airports View route page →

Departure

SNA KSNA VFR

John Wayne Orange County International Airport

Santa Ana, US

Local time
00:30 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
56 ft
Coordinates
33.6751, -117.8693

cloud Weather

Wind
250° / 3 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
26°C / 23°C
Altimeter
29.85 inHg

Obs: 2026-08-29T06:53:00.000Z

Raw METAR / TAF 
METAR KSNA 290653Z AUTO 25003KT 10SM CLR 26/23 A2985 RMK AO2 SLP106 T02610228 $

TAF KSNA 290529Z 2906/3006 19005KT P6SM SKC FM291100 VRB04KT P6SM SCT008 FM291900 21011KT P6SM SCT200 FM300300 VRB04KT P6SM SCT010

flight Live Traffic

flight_takeoff 24 Departures
flight_land 26 Arrivals

Arrival

IAH KIAH VFR

George Bush Intercontinental Airport

Houston, US

Local time
02:30 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
97 ft
Coordinates
29.9844, -95.3414

cloud Weather

Wind
0° / 0 kt
Visibility
10 SM
Ceiling
FEW 18,000 ft, SCT 25,000 ft
Temp / Dew
24°C / 24°C
Altimeter
30.03 inHg

Obs: 2026-08-29T06:53:00.000Z

Raw METAR / TAF 
METAR KIAH 290653Z 00000KT 10SM FEW180 SCT250 24/24 A3003 RMK AO2 SLP167 T02440239 $

TAF KIAH 290536Z 2906/3012 VRB05KT P6SM FEW030 FM291800 14007KT P6SM SCT250 FM300000 16009KT P6SM FEW250 FM300300 VRB05KT P6SM SCT250

flight Live Traffic

flight_takeoff 111 Departures
flight_land 94 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A5CC11 KOA → SFO Jul 26, 18:10 UTCJul 26, 19:15 UTC1h 5m - -
2026-07-26 A9D5DF KOA → SFO Jul 26, 13:10 UTCJul 26, 14:15 UTC1h 5m - -
2026-07-25 A10E46 KOA → SFO Jul 25, 22:05 UTCJul 26, 01:00 UTC2h 55m - -
2026-07-25 A123E2 KOA → SFO Jul 25, 17:25 UTCJul 25, 18:30 UTC1h 5m - -
2026-07-25 A123E2 KOA → SFO Jul 25, 17:36 UTCJul 25, 18:36 UTC1h 0m +26m -6m
2026-07-25 A44257 KOA → SFO Jul 25, 13:20 UTCJul 25, 14:35 UTC1h 15m - -
2026-07-24 A2B12D KOA → SFO Jul 24, 22:15 UTCJul 25, 01:20 UTC3h 5m - -
2026-07-24 A59B5E KOA → SFO Jul 24, 17:40 UTCJul 24, 18:45 UTC1h 5m - -
2026-07-24 A441F5 KOA → SFO Jul 24, 13:20 UTCJul 24, 14:30 UTC1h 10m - -
2026-07-23 A44212 KOA → SFO Jul 23, 22:20 UTCJul 24, 01:10 UTC2h 50m - -
2026-07-23 AA7E7B KOA → SFO Jul 23, 17:45 UTCJul 23, 18:55 UTC1h 10m - -
2026-07-23 A12F52 KOA → SFO Jul 23, 13:10 UTCJul 23, 14:15 UTC1h 5m - -
2026-07-22 A4423A KOA → SFO Jul 22, 22:10 UTCJul 23, 01:10 UTC3h 0m - -
2026-07-22 A2B150 KOA → SFO Jul 22, 17:40 UTCJul 22, 18:45 UTC1h 5m - -
2026-07-22 A5CC15 KOA → SFO Jul 22, 13:10 UTCJul 22, 14:20 UTC1h 10m - -
2026-07-22 A5CC15 KOA → SFO Jul 22, 13:21 UTCJul 22, 14:13 UTC52m -524m -8m
2026-07-21 A126C4 KOA → SFO Jul 21, 22:15 UTCJul 22, 01:10 UTC2h 55m - -
2026-07-21 A127BB KOA → SFO Jul 21, 17:46 UTCJul 21, 19:00 UTC1h 14m -259m -15m
2026-07-21 A127BB KOA → SFO Jul 21, 17:55 UTCJul 21, 19:00 UTC1h 5m - -
2026-07-21 A5CC12 KOA → SFO Jul 21, 13:10 UTCJul 21, 14:15 UTC1h 5m - -
2026-07-20 A2B10B KOA → SFO Jul 20, 22:15 UTCJul 21, 01:15 UTC2h 59m - -
2026-07-20 A12709 KOA → SFO Jul 20, 17:49 UTCJul 20, 18:52 UTC1h 3m +26m +1m
2026-07-20 A12709 KOA → SFO Jul 20, 17:45 UTCJul 20, 18:55 UTC1h 10m - -
2026-07-20 A2B153 KOA → SFO Jul 20, 13:15 UTCJul 20, 14:15 UTC1h 0m - -
2026-07-19 A7598C KOA → SFO Jul 19, 22:15 UTCJul 20, 01:10 UTC2h 55m - -
2026-07-19 A44166 KOA → SFO Jul 19, 17:35 UTCJul 19, 18:45 UTC1h 10m - -
2026-07-19 A445EC KOA → SFO Jul 19, 13:15 UTCJul 19, 14:15 UTC1h 0m - -
2026-07-18 A24CE0 - Jul 18, 22:05 UTCJul 19, 01:00 UTC2h 55m - -
2026-07-18 A5CFA5 - Jul 18, 17:25 UTCJul 18, 18:35 UTC1h 10m - -
2026-07-18 A12797 LAS → SFO Jul 18, 13:30 UTCJul 18, 14:35 UTC1h 5m - -

Performance history

Flights tracked
361 showing last 30
Avg arrival delay
-7m
On-time arrival
100% 100% on time
Aircraft used
26

Monthly activity 4 months

Month Flights tracked
July 2026 83
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 35m 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 361 flights under this callsign.
Is flight UAL643 usually on time?
Across recent flights, UAL643 arrives 7 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.