| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 14 | STX | SJU | 10:30 | 11:03 |
Landed
|
Track > |
| Jun 13 | STX | SJU | 10:20 | 10:58 |
Landed
|
Track > |
| Jun 12 | STX | SJU | 11:36 | 12:12 |
Landed Late
|
Track > |
| Jun 11 | STX | SJU | 10:12 | 10:53 |
Landed
|
Track > |
| Jun 08 | STX | SJU | 09:59 | 10:34 |
Landed
|
Track > |
| Jun 07 | STX | SJU | 09:57 | 10:32 |
Landed
|
Track > |
| Jun 06 | STX | SJU | 10:29 | 11:09 |
Landed
|
Track > |
| Jun 05 | STX | SJU | 11:07 | 11:47 |
Landed Late
|
Track > |
| Jun 04 | STX | SJU | 11:00 | 11:37 |
Landed Late
|
Track > |
| Jun 01 | STX | SJU | 10:21 | 11:00 |
Landed
|
Track > |
United Airlines Flight UA6403 connects St. Croix, U.S. Virgin Islands to San Juan, Puerto Rico, taking off from St. Croix Henry E. Rohlsen Airport STX and landing at San Juan Luis Munoz Marin International Airport SJU.
How long is the UA6403 flight from St. Croix to San Juan?
The average flight time from St. Croix to San Juan is 37 minutes. The flight distance is 151 km / 94 miles and the average flight speed is 243 km/h / 151 mph.
How many UA6403 flights are operated per week?
5 flights per week. The flight UA6403 is operated on Monday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of United Airlines Flight UA6403 St. Croix to San Juan?
The Airportia On-Time Performance Rating for United Airlines Flight UA6403 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA6403 arriving at?
Flight UA6403 arrives at San Juan Luis Munoz Marin International Airport (SJU) Terminal D.
When was the latest UA6403 flight?
The latest flight took off on Sunday, June 14th, 2026 with the flight status being Landed on 11:03.
How else can the flight UA6403 be referenced as?
This United Airlines flight can also be referenced as UAL6403, UA 6403, UAL 6403.
How often is flight UA6403 delayed?
On average, 30% of all UA6403 flights are delayed. The average delay is 37 minutes.
See our UA6403 Flight Tracker above for more details.
Other flights departing from St. Croix STX: 9K8571, 9K2401, 9K7331, 9K8531
Other flights arriving at San Juan SJU: 9K8081, 9K2401, 9K8381, 9K5861
All flights connecting St. Croix STX to San Juan SJU.
