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United Airlines UA643 Flight Status : Live Tracking & Updates
Domestic flight United Airlines UA643 takes off from Santa Ana (SNA) United States to Houston (IAH) United States. It's operated by United Airlines. The plane leaves John Wayne Airport at 10:38 05 May 2026 America/Los_Angeles. The flight is expected to land at George Bush Intercontinental Airport at 12:20 05 May 2026 America/Chicago. The flight will last about 1 hours 42 minutes.
Current status of UA643 is Scheduled Delayed by 1h 7m Estimated Depart in 21 minutes
- Type: Domestic Flight
- Code Shares: AC 4518, NZ 9717, VA 8495
- Flight Duration: 1 hours 42 minutes
- Flight Distance: 2166 kms / 1346 miles
- United Airlines
- IATA: UA
- ICAO: UAL
- Operating Days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
- Service type: Normal passenger
- Seats: 167
- Freight capacity: 17.1 tons
- Passenger classes: First Class, Economy, Business Class, Shuttle
- Aircraft: Boeing 737MAX 8 Passenger
- Callsign: F-NZAA2
- Departure Timezone: America/Los_Angeles
- Arrival Timezone: America/Chicago
- Current Time in Santa Ana: Tuesday 2026-05-05 11:24 AM
- Current Time in Houston: Tuesday 2026-05-05 13:24 PM
United Airlines UA643 Flight Statistics

United Airlines UA643 Flight Schedule and Histories
| Time | Departure | Arrival | Actual departure | Actual arrival |
|---|---|---|---|---|
|
Thu 30 Apr
Arrived Delayed by 1h 13m |
Santa Ana (SNA)
2026-04-30T15:35
|
Houston (IAH)
2026-04-30T20:49
|
2026-04-30T16:47
|
2026-04-30T22:02
|
|
Wed 29 Apr
Departed On time |
Santa Ana (SNA)
2026-04-29T06:00
|
Houston (IAH)
2026-04-29T07:48
|
2026-04-29T05:49
|
|
|
Tue 28 Apr
Scheduled On time |
Santa Ana (SNA)
2026-04-28T10:34
|
Houston (IAH)
2026-04-28T12:18
|
||
|
Mon 27 Apr
Arrived On time |
Santa Ana (SNA)
2026-04-27T15:29
|
Houston (IAH)
2026-04-27T20:43
|
2026-04-27T15:19
|
2026-04-27T20:04
|
|
Sat 25 Apr
Scheduled On time |
Santa Ana (SNA)
2026-04-25T15:29
|
Houston (IAH)
2026-04-25T20:43
|
||
|
Thu 23 Apr
Scheduled Delayed by 16m |
Santa Ana (SNA)
2026-04-23T15:29
|
Houston (IAH)
2026-04-23T20:43
|
||
|
Tue 21 Apr
Departed On time |
Santa Ana (SNA)
2026-04-21T15:29
|
Houston (IAH)
2026-04-21T20:43
|
2026-04-21T15:17
|
|
|
Tue 14 Apr
Scheduled On time |
Santa Ana (SNA)
2026-04-14T06:00
|
Houston (IAH)
2026-04-14T07:48
|
||
|
Mon 13 Apr
Departed On time |
Santa Ana (SNA)
2026-04-13T15:29
|
Houston (IAH)
2026-04-13T20:43
|
2026-04-13T15:17
|
|
|
Sat 11 Apr
Scheduled On time |
Santa Ana (SNA)
2026-04-11T06:00
|
Houston (IAH)
2026-04-11T07:48
|
Flight routes similar to United Airlines UA643
United Airlines Flight UA643 FAQs
What is the scheduled flight duration for United Airlines UA643 flight?
On average, nonstop flight takes 1 hour(s) 42 minutes, with the flight distance of 2166 km (1346 miles).
What is the current status of United Airlines UA643 flight?
The current status of flight United Airlines UA643 is Scheduled Delayed by 1h 7m.
What type of aircraft is used for the United Airlines UA643 flight?
All United Airlines UA643 flights are operated using Boeing 737MAX 8 Passenger aircraft.
When does the flight United Airlines UA643 arrive?
Flight United Airlines UA643 arrives at 12:20.
Which terminal the flight United Airlines UA643 is arriving at?
Flight United Airlines UA643 arrives in George Bush Intercontinental Airport at Terminal A.
How many United Airlines UA643 flights are operated a week?
7 flights per week. The Flight United Airlines UA643 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday .
