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United Airlines UA643 Flight Status Today
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 15:29 08 April 2026 America/Los_Angeles. The flight is expected to land at George Bush Intercontinental Airport at 20:43 08 April 2026 America/Chicago. The flight will last about 3 hours 14 minutes.
Current status of UA643 is Scheduled On time Estimated Depart in 2 hours, 30 minutes
- Type: Domestic Flight
- Flight Duration: 3 hours 14 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: Wednesday 2026-04-08 12:59 PM
- Current Time in Houston: Wednesday 2026-04-08 14:59 PM
United Airlines UA643 Flight Statistics

United Airlines UA643 Flight Schedule and Histories
| Time | Departure | Arrival | Actual departure | Actual arrival |
|---|---|---|---|---|
|
Mon 06 Apr
Scheduled On time |
Santa Ana (SNA)
2026-04-06T15:29
|
Houston (IAH)
2026-04-06T20:43
|
||
|
Sat 04 Apr
Arrived Delayed by 47m |
Santa Ana (SNA)
2026-04-04T15:29
|
Houston (IAH)
2026-04-04T20:43
|
2026-04-04T16:36
|
2026-04-04T21:30
|
|
Fri 03 Apr
Departed On time |
Santa Ana (SNA)
2026-04-03T15:29
|
Houston (IAH)
2026-04-03T20:43
|
2026-04-03T15:21
|
|
|
Thu 02 Apr
Departed On time |
Santa Ana (SNA)
2026-04-02T06:00
|
Houston (IAH)
2026-04-02T07:48
|
2026-04-02T05:51
|
|
|
Wed 01 Apr
Scheduled On time |
Santa Ana (SNA)
2026-04-01T15:29
|
Houston (IAH)
2026-04-01T20:43
|
||
|
Tue 31 Mar
Arrived On time |
Santa Ana (SNA)
2026-03-31T15:29
|
Houston (IAH)
2026-03-31T20:43
|
2026-03-31T15:22
|
2026-03-31T20:17
|
|
Mon 30 Mar
Scheduled On time |
Santa Ana (SNA)
2026-03-30T15:29
|
Houston (IAH)
2026-03-30T20:43
|
||
|
Sun 29 Mar
Scheduled On time |
Santa Ana (SNA)
2026-03-29T06:00
|
Houston (IAH)
2026-03-29T07:48
|
||
|
Sun 22 Mar
Departed On time |
Santa Ana (SNA)
2026-03-22T10:45
|
Houston (IAH)
2026-03-22T12:22
|
2026-03-22T10:39
|
|
|
Wed 18 Mar
Arrived On time |
Santa Ana (SNA)
2026-03-18T10:45
|
Houston (IAH)
2026-03-18T12:22
|
2026-03-18T10:40
|
2026-03-18T12:14
|
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United Airlines Flight UA643 FAQs
What is the scheduled flight duration for United Airlines UA643 flight?
On average, nonstop flight takes 3 hour(s) 14 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 On time.
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 20:43.
Which terminal the flight United Airlines UA643 is arriving at?
Flight United Airlines UA643 arrives in George Bush Intercontinental Airport at Terminal E.
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 .
