| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Dec 17 | ORD | IAH | 19:04 | 21:18 |
Landed
|
Track > |
| Dec 16 | ORD | IAH | 18:42 | 20:53 |
Landed
|
Track > |
| Dec 15 | ORD | IAH | 19:09 | 21:09 |
Landed
|
Track > |
| Dec 14 | ORD | IAH | 19:00 | 21:04 |
Landed
|
Track > |
| Dec 13 | ORD | IAH | 18:36 | 20:44 |
Landed
|
Track > |
| Dec 12 | ORD | IAH | 19:09 | 21:15 |
Landed
|
Track > |
| Dec 11 | ORD | IAH | 19:41 | 21:46 |
Landed Late
|
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| Dec 10 | ORD | IAH | 19:01 | 20:59 |
Landed
|
Track > |
| Dec 09 | ORD | IAH | 18:41 | 20:46 |
Landed
|
Track > |
| Dec 08 | ORD | IAH | 19:04 | 21:10 |
Landed
|
Track > |
United Airlines Flight UA1851 connects Chicago, United States to Houston, United States, taking off from Chicago O'Hare International Airport ORD and landing at Houston George Bush Intercontinental Airport IAH.
How long is the UA1851 flight from Chicago to Houston?
The average flight time from Chicago to Houston is 2 hours and 5 minutes. The flight distance is 1490 km / 926 miles and the average flight speed is 712 km/h / 443 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA1851 Chicago to Houston?
The Airportia On-Time Performance Rating for United Airlines Flight UA1851 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA1851 arriving at?
Flight UA1851 arrives at Houston George Bush Intercontinental Airport (IAH) Terminal E.
When was the latest UA1851 flight?
The latest flight took off on Thursday, December 18th, 2025 with the flight status being Landed on 21:18.
How else can the flight UA1851 be referenced as?
This United Airlines flight can also be referenced as UAL1851, UA 1851, UAL 1851.
How often is flight UA1851 delayed?
On average, 30% of all UA1851 flights are delayed. The average delay is 12 minutes.
Can I get compensation for my delayed or cancelled UA1851 flight or baggage issues?
If your UA1851 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 UA1851 Flight Tracker above for more details.
Flight UA1851 is code-shared by 2 airlines using the flight numbers EK6260, NZ6854
Other flights departing from Chicago ORD: UA1616, UA1819, UA2424, AA830
Other flights arriving at Houston IAH: UA4021, UA2306, UA1001, UA4305
All flights connecting Chicago ORD to Houston IAH.
