United Airlines UA3999 Flight Status
Based on Trip.com’s real-time data, the UA3999 flight operated by United Airlines on Oct 28, 2026 is scheduled to fly from Colorado Springs (COS) to Houston (IAH). The flight is expected to depart at 12:05 (local time in Colorado Springs, UTC-6) and land at 14:58 (local time in Houston, UTC-5) .
Tue, Oct 27
Wed, Oct 28
Thu, Oct 29
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Arrived
The flight has arrived 12m early
2h 23m
Check-in Counter
--
Boarding Gate
3
Arrival Gate
C41
Baggage
C12
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Scheduled
Your flight will depart on time.
2h 23m
Check-in Counter
--
Boarding Gate
3
Arrival Gate
C32
Baggage
C12
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United Airlines From €140
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Scheduled
Your flight will depart on time.
2h 23m
Check-in Counter
--
Boarding Gate
3
Arrival Gate
--
Baggage
--
Need a flight from Colorado Springs to Houston?
United Airlines From €140
Search flights Information provided by VariFlight For the latest updates, please refer to airport announcements or consult your airline. You can also explore more flights from Colorado Springs to Houston or track other flights with our flight status tracker.
Track the Previous Flight Status: Scheduled
UA4078
|
Houston (HOU)
Colorado Springs (COS)
Colorado Springs (COS)
Scheduled: 11:19
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UA3999 Aircraft Details
According to Trip.com real-time data, the UA3999 flight flying from Colorado Springs to Houston on 10/28/2026 is operated by the aircraft model Embraer 175. This aircraft has been in service for 12y. The aircraft is equipped with 76 seats.
Embraer 175
Punctuality (Departure)
100
%
Punctuality (Arrival)
100
%
Early on average
19 minutes
Age
12y
Seats
76
Distance
--
Economy
First
Premium Economy
Onboard Amenities
None
Inflight entertainment is available
Unknown
Unknown
Seating Plan
79 cm
Legroom
46 cm
Seat width
100°
Reclining Angle
2-2
Seat layout example
Onboard Amenities
Snacks
Inflight entertainment is available
Unknown
Power outlet
Seating Plan
94 cm
Legroom
51 cm
Seat width
120°
Reclining Angle
1-2
Seat layout example
Onboard Amenities
None
In-flight entertainment is unavailable
Wi-Fi is available
No power outlets are available
Seating Plan
86 cm
Legroom
46 cm
Seat width
105°
Reclining Angle
--
Seat layout example
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Flight History for UA3999
Trip.com historical records show that the last UA3999 flight departed on Tue, Oct 27 from COS at approximately 12:18. This flight is expected to arrrive in IAH at 15:16.
| Date | Airport | Aircraft Type | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Fri, Oct 23 | Atlanta (ATL) | Houston (IAH) | E75L | 09:42 | 10:12 | Arrived |
| Sat, Oct 24 | Atlanta (ATL) | Houston (IAH) | E75L | 09:56 | 10:42 | Arrived |
| Sun, Oct 25 | Colorado Springs (COS) | Houston (IAH) | E75L | 12:17 | 15:09 | Arrived |
| Mon, Oct 26 | Colorado Springs (COS) | Houston (IAH) | E75L | 12:10 | 15:00 | Arrived |
| Tue, Oct 27 | Colorado Springs (COS) | Houston (IAH) | E75L | 12:18 | 15:16 | Arrived |
| Wed, Oct 28 | Colorado Springs (COS) | Houston (IAH) | E75L | 12:05 | 14:58 | Scheduled |
| Thu, Oct 29 | Colorado Springs (COS) | Houston (IAH) | E75L | 12:05 | 15:28 | Scheduled |
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UA3999 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA3999 is 100% (Late on average 10 minutes), and the on-time arrival rate is 100% (Early on average 19 minutes).
On-Time Departures
Punctuality
100
%
Late on average
10 minutes
Early
0
%
On time
100
%
30 mins late
0
%
60 mins late
0
%
90 mins late
0
%
Cancelled
0
%
On-Time Arrivals
Punctuality
100
%
Early on average
19 minutes
Early
100
%
On time
0
%
30 mins late
0
%
60 mins late
0
%
90 mins late
0
%
Cancelled
0
%
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Frequently Asked Questions
What is the current status of flight ua3999?
Flight ua3999 has not departed yet and is currently on schedule. Scheduled departure 12:05, arrival 15:28 (updated Oct 28, 2026).Is flight ua3999 on time today?
Flight ua3999 has not departed yet and is currently on schedule. Scheduled departure is 12:05, with arrival at 15:28. Recheck gate and timing before you head to the airport.Has flight ua3999 departed yet? What is the departure time?
Flight ua3999 is scheduled to depart at 12:05. The latest actual or estimated departure time is 12:05, and the current status is Scheduled (updated Oct 28, 2026).When is flight ua3999 scheduled to arrive?
Flight ua3999 is scheduled to arrive at 15:28. The latest estimated or actual arrival time is 14:58. Status is Scheduled as of Oct 28, 2026.What is the baggage carousel number for flight ua3999?
After arrival, baggage for flight ua3999 is expected at carousel C12 in terminal C. Carousel numbers are assigned close to landing and may change—follow airport signs on arrival.What route does flight ua3999 fly?
Flight ua3999 is operated by United Airlines from Colorado Springs (COS) to Houston (IAH). Typical flight time is about 2 hours23 minutes; operating days may include Wednesday.How can I check real-time status for flight ua3999?
Track flight ua3999 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 ua3999 is delayed or canceled, what should I do?
If ua3999 is delayed or canceled, first confirm the latest status here (Scheduled, updated Oct 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 ua3999 departed from Colorado Springs?
Flight ua3999 has not departed from Colorado Springs (COS) yet and is currently on schedule for 12:05.What is the seat configuration for flight ua3999?
Flight ua3999 usually flies a Embraer 175 with seat layout 2-2. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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Destination Info: Houston Weather & Time
Intermittent clouds
|
19°C - 26°C
Expected weather conditions upon arrival
1 hour time difference
Time on arrival: Colorado Springs 13:58
|
Houston 14:58
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