| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 01 | IAD | STL | 09:17 | 10:27 |
En-Route
|
Track > |
| Jun 30 | IAD | STL | 09:07 | 09:43 |
Landed
|
Track > |
| Jun 29 | IAD | STL | 09:18 | 09:59 |
Landed
|
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| Jun 28 | IAD | STL | 10:54 | 11:40 |
Delayed
|
Track > |
| Jun 27 | IAD | STL | 09:21 | 10:12 |
Landed
|
Track > |
| Jun 26 | IAD | STL | 12:22 | 10:27 |
En-Route
|
Track > |
| Jun 25 | IAD | STL | 09:59 | 10:43 |
Landed Late
|
Track > |
United Airlines Flight UA4425 connects Washington, United States to St. Louis, United States, taking off from Washington Dulles International Airport IAD and landing at St. Louis Lambert International Airport STL.
How long is the UA4425 flight from Washington to St. Louis?
The average flight time from Washington to St. Louis is 1 hour and 43 minutes. The flight distance is 1117 km / 694 miles and the average flight speed is 594 km/h / 369 mph.
How many UA4425 flights are operated per week?
7 flights per week. The flight UA4425 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of United Airlines Flight UA4425 Washington to St. Louis?
The Airportia On-Time Performance Rating for United Airlines Flight UA4425 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA4425 arriving at?
Flight UA4425 arrives at St. Louis Lambert International Airport (STL) Terminal 1.
When was the latest UA4425 flight?
The latest flight took off on Wednesday, July 1st, 2026 with the flight status being En-Route on 10:27.
How else can the flight UA4425 be referenced as?
This United Airlines flight can also be referenced as UAL4425, UA 4425, UAL 4425.
How often is flight UA4425 delayed?
On average, 29% of all UA4425 flights are delayed. The average delay is 44 minutes.
Can I get compensation for my delayed or cancelled UA4425 flight or baggage issues?
If your UA4425 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 UA4425 Flight Tracker above for more details.
Flight UA4425 is code-shared by 2 airlines using the flight numbers AV2344, CM2679
Other flights departing from Washington IAD: UA683, UA2101, UA4333, LF548
Other flights arriving at St. Louis STL: WN4501, AA5413, UA4613, DL3188
All flights connecting Washington IAD to St. Louis STL.