| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 25 | BOS | IAH | 17:33 | 20:35 |
Landed
|
Track > |
| Oct 24 | BOS | IAH | 18:53 | 21:35 |
Landed Late
|
Track > |
| Oct 23 | BOS | IAH | 17:50 | 20:36 |
Landed
|
Track > |
| Oct 22 | BOS | IAH | 17:39 | 20:24 |
Landed
|
Track > |
| Oct 21 | BOS | IAH | 17:38 | 20:28 |
Landed
|
Track > |
| Oct 20 | BOS | IAH | 18:18 | 20:49 |
Landed
|
Track > |
| Oct 19 | BOS | IAH | 18:08 | 20:56 |
Landed Late
|
Track > |
| Oct 18 | BOS | IAH | 17:37 | 20:22 |
Landed
|
Track > |
| Oct 17 | BOS | IAH | 17:44 | 20:18 |
Landed
|
Track > |
| Oct 16 | BOS | IAH | 17:48 | 20:23 |
Landed
|
Track > |
United Airlines Flight UA1851 connects Boston, United States to Houston, United States, taking off from Boston Logan International Airport BOS and landing at Houston George Bush Intercontinental Airport IAH.
How long is the UA1851 flight from Boston to Houston?
The average flight time from Boston to Houston is 3 hours and 43 minutes. The flight distance is 2567 km / 1595 miles and the average flight speed is 689 km/h / 428 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA1851 Boston 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 Sunday, October 26th, 2025 with the flight status being Landed on 20:35.
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 25 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 AZ4379, NZ6401
Other flights departing from Boston BOS: UA3432, B62067, AA4580, AA3073
Other flights arriving at Houston IAH: UA434, UA445, UA497, UA573
All flights connecting Boston BOS to Houston IAH.
