United Airlines
UA1139 Flight Status
According to Trip.com real-time data, the UA1139 flight operated by United Airlines on Aug 28, 2026 is scheduled to fly from Boise (BOI) to Denver (DEN). The flight is expected to depart at 10:31 AM and land at 12:33 PM .
Thu, Aug 27
Fri, Aug 28
Sat, Aug 29
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En route
Your flight has departed Boise and is expected to arrive in Denver at 12:22 PM.
2h 2m
Check-in Counter
--
Boarding Gate
B11
Arrival Gate
B17
Baggage
15
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Scheduled
Your flight will depart on time.
2h 2m
Check-in Counter
--
Boarding Gate
B11
Arrival Gate
--
Baggage
--
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Scheduled
Your flight will depart on time.
2h 1m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
--
Information provided by VariFlight
For real-time updates, please check airport displays or contact your airline.
You can also explore more flights from Boise to Denver or track other flights with our flight status tracker.
Track the Previous Flight Status: Scheduled
UA255
|
Denver (DEN)
Boise (BOI)
Boise (BOI)
Scheduled: 9:35 AM
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UA1139 Aircraft Details
According to Trip.com real-time data, the UA1139 flight flying from Boise to Denver on 8/28/2026 is operated by the aircraft model Airbus A319. This aircraft has been in service for 19y, 2m. The aircraft is equipped with 128 seats.
Airbus A319
Punctuality (Departure)
80
%
Punctuality (Arrival)
93
%
Late on average
28 minutes
Age
19y, 2m
Seats
128
Flight Distance
--
Economy
First
Premium Economy
In-Flight Services
None
On-demand entertainment
Wi-Fi (additional charge)
Unknown
Seat Information
76 cm
Legroom
--
Seat width
100°
Reclining Angle
3-3
Seat layout example
In-Flight Services
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
In-Flight Services
Snacks
Entertainment available, please bring your own device
Wi-Fi is available
Power outlet
Seat Information
86 cm
Legroom
45 cm
Seat width better than on 67% of flights
105°
Reclining Angle
3-3
Seat layout example
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Flight History for UA1139
Trip.com historical records show that the last UA1139 flight departed on Thu, Aug 27 from BOI at approximately 10:52 AM. This flight is expected to arrrive in DEN at 12:22 PM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sun, Aug 23 | Boise (BOI) | Denver (DEN) | 319 | 10:37 AM | 12:15 PM | Arrived |
| Mon, Aug 24 | Boise (BOI) | Denver (DEN) | 320 | 10:43 AM | 12:20 PM | Arrived |
| Tue, Aug 25 | Boise (BOI) | Denver (DEN) | 320 | 10:43 AM | 12:12 PM | Arrived |
| Wed, Aug 26 | Boise (BOI) | Denver (DEN) | 319 | 10:35 AM | 12:07 PM | Arrived |
| Thu, Aug 27 | Boise (BOI) | Denver (DEN) | 319 | 10:52 AM | 12:22 PM | En route |
| Fri, Aug 28 | Boise (BOI) | Denver (DEN) | 319 | 10:31 AM | 12:33 PM | Scheduled |
| Sat, Aug 29 | Boise (BOI) | Denver (DEN) | 738 | 10:36 AM | 12:37 PM | Scheduled |
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UA1139 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA1139 is 80% (Late on average 56 minutes), and the on-time arrival rate is 93% (Late on average 28 minutes).
On-Time Departures
Punctuality
80
%
Late on average
56 minutes
Early
0
%
On time
80
%
30 mins late
13
%
60 mins late
0
%
90 mins late
7
%
Canceled
0
%
On-Time Arrivals
Punctuality
93
%
Late on average
28 minutes
Early
80
%
On time
13
%
30 mins late
0
%
60 mins late
0
%
90 mins late
7
%
Canceled
0
%
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-
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Frequently Asked Questions
-
What is the current status of flight ua1139?
Flight ua1139 has not departed yet and is currently on schedule. Scheduled departure 10:31 AM, arrival 12:33 PM (updated Aug 28, 2026). -
Is flight ua1139 on time today?
Flight ua1139 has not departed yet and is currently on schedule. Scheduled departure is 10:31 AM, with arrival at 12:33 PM. Recheck gate and timing before you head to the airport. -
Has flight ua1139 departed yet? What is the departure time?
Flight ua1139 is scheduled to depart at 10:31 AM. The latest actual or estimated departure time is 10:31 AM, and the current status is Scheduled (updated Aug 28, 2026). -
When is flight ua1139 scheduled to arrive?
Flight ua1139 is scheduled to arrive at 12:33 PM. The latest estimated or actual arrival time is 12:33 PM. Status is Scheduled as of Aug 28, 2026. -
What route does flight ua1139 fly?
Flight ua1139 is operated by United Airlines from Boise (BOI) to Denver (DEN). Typical flight time is about 2 hours2 minutes; operating days may include Friday. -
How can I check real-time status for flight ua1139?
Track flight ua1139 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications. -
If flight ua1139 is delayed or canceled, what should I do?
If ua1139 is delayed or canceled, first confirm the latest status here (Scheduled, updated Aug 28, 2026). Contact United Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com. -
Has flight ua1139 departed from Boise?
Flight ua1139 has not departed from Boise (BOI) yet and is currently on schedule for 10:31 AM. -
What is the seat configuration for flight ua1139?
Flight ua1139 usually flies a Airbus A319 with seat layout 3-3. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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Arrival Info: Denver Weather & Current Time
Partly clear with thunder and rain
|
20°C - 33°C
Weather forecast for your arrival day
0 hour time difference
Time on arrival: Boise 12:33
|
Denver 12:33
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