United Airlines UA439 Flight Status
According to Trip.com latest record on status for United Airlines flight UA439 from Austin to Denver (AUS-DEN): Flights for Mar 24, 2026 are scheduled, with the next departure slated for 18:19 from AUS and an expected arrival at 19:12 at DEN .
Mon, Mar 23
Tue, Mar 24
Wed, Mar 25
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Arrived
The flight arrived 6m late.
2h 25m
Check-in Counter
--
Boarding Gate
27
Arrival Gate
B8
Baggage
17
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Scheduled
Your flight will depart on time.
2h 25m
Check-in Counter
--
Boarding Gate
29
Arrival Gate
B8
Baggage
17
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Scheduled
Your flight will depart on time.
2h 25m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
--
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Track the Previous Flight Status: Scheduled
UA1711
|
Las Vegas (LAS) 
New York (NYC)
New York (NYC)Scheduled: 23:59
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UA439 Aircraft Specifications
Airbus A319
On-Time Departure
60%
On-Time Arrival
73%
Avg. Delay
17 minutes
Aircraft Age
24y, 2m
Total Seats
128
Flight Distance
--
Economy
First
Premium Economy
Cabin Amenities
None
On-demand entertainment
Wi-Fi (additional charge)
Unknown
Seat Information
76 cm
More legroom than on 4% of flights
--
Seat width
100°
Reclining Angle
3-3
Seat layout example
Cabin Amenities
Snacks
On-demand entertainment
Wi-Fi (additional charge)
Power outlet
Seat Information
94 cm
Legroom
--
Seat width
120°
Reclining Angle
2-2
Seat layout example
Cabin Amenities
None
On-demand entertainment
Wi-Fi (additional charge)
Power outlet
Seat Information
86 cm
Legroom
45 cm
Seat width better than on 71% of flights
105°
Reclining Angle
3-3
Seat layout example
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UA439 Flight History
Trip.com historical records show that the last UA439 flight departed on Mon, Mar 23 from AUS at approximately 18:53. This flight is expected to arrrive in DEN at 19:50.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Thu, Mar 19 | Austin (AUS) | Denver (DEN) | 319 | 18:22 | 19:15 | Arrived |
| Fri, Mar 20 | Austin (AUS) | Denver (DEN) | 319 | 18:23 | 19:17 | Arrived |
| Sat, Mar 21 | Washington D.C. (IAD) | Jackson (JAC) | 737 | 09:07 | 11:24 | Arrived |
| Sun, Mar 22 | Austin (AUS) | Denver (DEN) | 319 | 18:40 | 19:33 | Arrived |
| Mon, Mar 23 | Austin (AUS) | Denver (DEN) | 319 | 18:53 | 19:50 | Arrived |
| Tue, Mar 24 | Austin (AUS) | Denver (DEN) | 319 | 18:19 | 19:12 | Scheduled |
| Wed, Mar 25 | Austin (AUS) | Denver (DEN) | 319 | 18:19 | 19:44 | Scheduled |
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UA439 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of UA439 is 60% (Late on average 48 minutes), and the on-time arrival rate is 73% (Late on average 17 minutes).
On-Time Departures
Punctuality
60%
Late on average 48 minutes
Early
0%
On time
60%
30 mins late
17%
60 mins late
17%
90 mins late
7%
Cancelled
0%
On-Time Arrivals
Punctuality
73%
Late on average 17 minutes
Early
57%
On time
17%
30 mins late
17%
60 mins late
3%
90 mins late
7%
Cancelled
0%
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Low-Cost Return Flights to Austin
- Tue, May 5Denver (DEN)Austin (AUS)
Frontier AirlinesOne way20% offJPY 5,470JPY 4,380 - Fri, May 1Denver (DEN)Austin (AUS) Frontier AirlinesOne way18% offJPY 5,470JPY 4,470
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When You Land: Denver Weather & Time Zone
Cloudy
|
10°C - 22°C
Weather forecast for your arrival day
-1 hour time difference
Time on arrival: Austin 20:12| Denver 19:12
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