| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 01 | SNA | IAH | 15:11 | 20:09 |
Landed
|
Track > |
| Aug 31 | SNA | IAH | 15:19 | 20:06 |
Landed
|
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| Aug 30 | SNA | IAH | 15:14 | 19:59 |
Landed
|
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| Aug 29 | SNA | IAH | 15:07 | 19:56 |
Landed
|
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| Aug 28 | SNA | IAH | 15:11 | 20:03 |
Landed
|
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| Aug 27 | SNA | IAH | 15:21 | 20:24 |
Landed
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| Aug 26 | SNA | IAH | 15:09 | 19:54 |
Landed
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| Aug 25 | SNA | IAH | 15:18 | 20:05 |
Landed
|
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| Aug 24 | SNA | IAH | 16:15 | 21:02 |
Landed Late
|
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| Aug 23 | SNA | IAH | 16:03 | 20:53 |
Landed Late
|
Track > |
United Airlines Flight UA643 connects Orange County, United States to Houston, United States, taking off from Orange County John Wayne Airport SNA and landing at Houston George Bush Intercontinental Airport IAH.
How long is the UA643 flight from Orange County to Houston?
The average flight time from Orange County to Houston is 2 hours and 50 minutes. The flight distance is 2163 km / 1344 miles and the average flight speed is 763 km/h / 474 mph.
How many UA643 flights are operated per week?
6 flights per week. The flight UA643 is operated on Monday, Tuesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of United Airlines Flight UA643 Orange County to Houston?
The Airportia On-Time Performance Rating for United Airlines Flight UA643 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA643 arriving at?
Flight UA643 arrives at Houston George Bush Intercontinental Airport (IAH) Terminal C.
When was the latest UA643 flight?
The latest flight took off on Wednesday, September 2nd, 2026 with the flight status being Landed on 20:09.
How else can the flight UA643 be referenced as?
This United Airlines flight can also be referenced as UAL643, UA0643, UA 643, UAL 643.
How often is flight UA643 delayed?
On average, 20% of all UA643 flights are delayed. The average delay is 28 minutes.
Can I get compensation for my delayed or cancelled UA643 flight or baggage issues?
If your UA643 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our UA643 Flight Tracker above for more details.
Other flights departing from Orange County SNA: XE203, AS760, AA3151, WN3759
Other flights arriving at Houston IAH: UA618, UA2831, YV6252, YV3993
All flights connecting Orange County SNA to Houston IAH.