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

UA643 - UAL643 United Airlines (UA)
SNA Santa Ana United States
Flight SNA to IAH
IAH Houston United States
Scheduled Delayed by 1h 7m Estimated Depart in 21 minutes
Departure John Wayne Airport
IATA: SNAICAO: KSNA
Scheduled 10:38 05 May 2026
Estimated 11:45 05 May 2026
3 E7
Arrival George Bush Intercontinental Airport
IATA: IAHICAO: KIAH
Scheduled 12:20 05 May 2026
Estimated 13:25 05 May 2026
A 8
UA643 Detail
  • Type: Domestic Flight
  • Code Shares: AC 4518, NZ 9717, VA 8495
  • Flight Duration: 1 hours 42 minutes
  • Flight Distance: 2166 kms / 1346 miles
Airline
  • United Airlines
  • IATA: UA
  • ICAO: UAL
  • Operating Days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
Passenger Services
  • Service type: Normal passenger
  • Seats: 167
  • Freight capacity: 17.1 tons
  • Passenger classes: First Class, Economy, Business Class, Shuttle
More Detail
  • 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
United Airlines
FLIGHT NO UA643
AIRPLANE Boeing 737MAX 8 Passenger
ON TIME 11
DELAYED 3
CANCELLED 0
ON TIME 26
DELAYED 3
CANCELLED 0
ON TIME 47
DELAYED 5
CANCELLED 0
ON TIME 64
DELAYED 6
CANCELLED 1
Last 14 days flight data
14 30 60 90
On Time Rate

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

Airline Flight no Departure Arrival
United Airlines UA700
United Airlines
05/05/2026
08:00
3 hours 16 minutes
13:16
United Airlines UA657
United Airlines
05/05/2026
12:13
3 hours 12 minutes
17:25
Lufthansa LH8704
Lufthansa
05/05/2026
12:13
3 hours 12 minutes
17:25
Emirates EK6397
Emirates
05/05/2026
12:15
3 hours 10 minutes
17:25

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 .