| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 03 | IAH | JAX | 12:48 | 15:36 |
Landed
|
Track > |
| Dec 27 | IAH | JAX | 12:42 | 15:25 |
Landed
|
Track > |
| Dec 20 | IAH | JAX | 12:46 | 15:24 |
Landed
|
Track > |
United Airlines Flight UA6121 connects Houston, United States to Jacksonville, United States, taking off from Houston George Bush Intercontinental Airport IAH and landing at Jacksonville International Airport JAX.
How long is the UA6121 flight from Houston to Jacksonville?
The average flight time from Houston to Jacksonville is 1 hour and 43 minutes. The flight distance is 1312 km / 815 miles and the average flight speed is 765 km/h / 476 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA6121 Houston to Jacksonville?
The Airportia On-Time Performance Rating for United Airlines Flight UA6121 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA6121 flight?
The latest flight took off on Saturday, January 3rd, 2026 with the flight status being Landed on 15:36.
How else can the flight UA6121 be referenced as?
This United Airlines flight can also be referenced as UAL6121, UA 6121, UAL 6121.
How often is flight UA6121 delayed?
On average, 0% of all UA6121 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled UA6121 flight or baggage issues?
If your UA6121 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 UA6121 Flight Tracker above for more details.
Flight UA6121 is code-shared by 3 airlines using the flight numbers AC4659, NH6546, NZ6419
Other flights departing from Houston IAH: UA6139, UA2183, DL343, NK1209
Other flights arriving at Jacksonville JAX: WN2867, WN2454, AA5601, WN3826
All flights connecting Houston IAH to Jacksonville JAX.