| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Dec 01 | IAH | ORD | 15:12 | 17:17 |
Landed
|
Track > |
| Nov 30 | IAH | ORD | 14:47 | 16:49 |
Landed
|
Track > |
| Nov 29 | IAH | ORD | 20:30 | 17:08 |
Unknown
|
Track > |
| Nov 28 | IAH | ORD | 14:32 | 16:40 |
Landed
|
Track > |
| Nov 27 | IAH | ORD | 14:51 | 17:07 |
Landed
|
Track > |
| Nov 26 | IAH | ORD | 16:05 | 18:04 |
Delayed
|
Track > |
| Nov 25 | IAH | ORD | 14:37 | 16:39 |
Landed
|
Track > |
| Nov 24 | IAH | ORD | 15:14 | 17:29 |
Landed Late
|
Track > |
| Nov 23 | IAH | ORD | 14:38 | 16:44 |
Landed
|
Track > |
| Nov 22 | IAH | ORD | 14:49 | 17:03 |
Landed
|
Track > |
United Airlines Flight UA646 connects Houston, United States to Chicago, United States, taking off from Houston George Bush Intercontinental Airport IAH and landing at Chicago O'Hare International Airport ORD.
How long is the UA646 flight from Houston to Chicago?
The average flight time from Houston to Chicago is 2 hours and 7 minutes. The flight distance is 1490 km / 926 miles and the average flight speed is 688 km/h / 427 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA646 Houston to Chicago?
The Airportia On-Time Performance Rating for United Airlines Flight UA646 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA646 arriving at?
Flight UA646 arrives at Chicago O'Hare International Airport (ORD) Terminal 2.
When was the latest UA646 flight?
The latest flight took off on Monday, December 1st, 2025 with the flight status being Landed on 17:17.
How else can the flight UA646 be referenced as?
This United Airlines flight can also be referenced as UAL646, UA0646, UA 646, UAL 646.
How often is flight UA646 delayed?
On average, 30% of all UA646 flights are delayed. The average delay is 28 minutes.
Can I get compensation for my delayed or cancelled UA646 flight or baggage issues?
If your UA646 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 UA646 Flight Tracker above for more details.
Flight UA646 is code-shared by 2 airlines using the flight numbers EK6141, NZ6846
Other flights departing from Houston IAH: AA2878, UA5239, AA2873, UA673
Other flights arriving at Chicago ORD: UA323, Y42054, UA463, UA4696
All flights connecting Houston IAH to Chicago ORD.