| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 19 | SAN | IAH | 18:50 | 22:00 |
En-Route
|
Track > |
| Oct 19 | SAN | IAH | 07:30 | 12:42 |
Delayed >3h
|
Track > |
United Airlines Flight UA3921 connects San Diego, United States to Houston, United States, taking off from San Diego International Airport SAN and landing at Houston George Bush Intercontinental Airport IAH.
What is the On-Time Performance (OTP) of United Airlines Flight UA3921 San Diego to Houston?
The Airportia On-Time Performance Rating for United Airlines Flight UA3921 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA3921 arriving at?
Flight UA3921 arrives at Houston George Bush Intercontinental Airport (IAH) Terminal C.
When was the latest UA3921 flight?
The latest flight took off on Monday, October 20th, 2025 with the flight status being En-Route on 22:00.
How else can the flight UA3921 be referenced as?
This United Airlines flight can also be referenced as UAL3921, UA 3921, UAL 3921.
How often is flight UA3921 delayed?
On average, 0% of all UA3921 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled UA3921 flight or baggage issues?
If your UA3921 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 UA3921 Flight Tracker above for more details.
Claim compensation for your flight delay or cancellation!
Flight delays happen, but that doesn’t mean you have to accept them. You may be entitled to as much as 600€ in compensation if your flight has been delayed, cancelled or overbooked within the last three years. Claim Compensation Now >
Other flights departing from San Diego SAN: AS3479, WN1981, AS899, WN836
Other flights arriving at Houston IAH: UA1128, UA1143, UA1346, UA1299
All flights connecting San Diego SAN to Houston IAH.
