United Airlines UA1521 Flight Status
Based on Trip.com’s real-time data, the UA1521 flight operated by United Airlines on Oct 30, 2026 is scheduled to fly from Denver (DEN) to San Antonio (SAT). The flight is expected to depart at 09:35 (local time in Denver, UTC-6) and land at 12:16 (local time in San Antonio, UTC-5) .
Thu, Oct 29
Fri, Oct 30
Sat, Oct 31
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Arrived
The flight has arrived 14m early
2h 11m
Check-in Counter
7,8
Boarding Gate
B29
Arrival Gate
B5
Baggage
B3
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Scheduled
Your flight will depart on time.
2h 11m
Check-in Counter
7,8
Boarding Gate
A27
Arrival Gate
B5
Baggage
3
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United Airlines From SAR 752
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Scheduled
Your flight will depart on time.
2h 11m
Check-in Counter
7,8
Boarding Gate
--
Arrival Gate
--
Baggage
3
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United Airlines From SAR 752
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 Denver to San Antonio or track other flights with our flight status tracker.
Track the Previous Flight Status: Scheduled
UA330
|
Los Angeles (LAX)
Denver (DEN)
Denver (DEN)
Scheduled: 08:26
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UA1521 Aircraft Details
According to Trip.com real-time data, the UA1521 flight flying from Denver to San Antonio on 10/30/2026 is operated by the aircraft model Boeing 737-900. This aircraft has been in service for 13y, 1m. The aircraft is equipped with 179 seats.
Boeing 737-900
Punctuality (Departure)
100
%
Punctuality (Arrival)
100
%
Early on average
7 minutes
Age
13y, 1m
Seats
179
Distance
--
Economy
First
Premium Economy
Onboard Amenities
None
On-demand entertainment
Wi-Fi (additional charge)
Power outlet
Seating Plan
76 cm
More legroom than on 13% of flights
--
Seat width
100°
Reclining Angle
3-3
Seat layout example
Onboard Amenities
Snacks
On-demand entertainment
Wi-Fi (additional charge)
Power outlet
Seating Plan
94 cm
Legroom
--
Seat width
120°
Reclining Angle
2-2
Seat layout example
Onboard Amenities
None
Live TV
Wi-Fi is available
Power outlet
Seating Plan
86 cm
Legroom
44 cm
Seat width better than on 56% of flights
105°
Reclining Angle
3-3
Seat layout example
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Flight History for UA1521
Trip.com historical records show that the last UA1521 flight departed on Thu, Oct 29 from DEN at approximately 09:45. This flight is expected to arrrive in SAT at 12:32.
| Date | Airport | Aircraft Type | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sun, Oct 25 | Denver (DEN) | San Antonio (SAT) | 739 | 09:49 | 12:48 | Arrived |
| Mon, Oct 26 | Denver (DEN) | San Antonio (SAT) | 739 | 09:45 | 12:45 | Arrived |
| Tue, Oct 27 | Denver (DEN) | San Antonio (SAT) | B38M | 09:55 | 12:37 | Arrived |
| Wed, Oct 28 | Denver (DEN) | San Antonio (SAT) | 738 | 09:42 | 12:30 | Arrived |
| Thu, Oct 29 | Denver (DEN) | San Antonio (SAT) | 739 | 09:45 | 12:32 | Arrived |
| Fri, Oct 30 | Denver (DEN) | San Antonio (SAT) | 739 | 09:35 | 12:16 | Scheduled |
| Sat, Oct 31 | Denver (DEN) | San Antonio (SAT) | 739 | 09:35 | 12:46 | Scheduled |
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UA1521 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA1521 is 100% (Late on average 12 minutes), and the on-time arrival rate is 100% (Early on average 7 minutes).
On-Time Departures
Punctuality
100
%
Late on average
12 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
7 minutes
Early
80
%
On time
20
%
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 ua1521?
Flight ua1521 has not departed yet and is currently on schedule. Scheduled departure 09:35, arrival 12:46 (updated Oct 30, 2026).Is flight ua1521 on time today?
Flight ua1521 has not departed yet and is currently on schedule. Scheduled departure is 09:35, with arrival at 12:46. Recheck gate and timing before you head to the airport.Has flight ua1521 departed yet? What is the departure time?
Flight ua1521 is scheduled to depart at 09:35. The latest actual or estimated departure time is 09:35, and the current status is Scheduled (updated Oct 30, 2026).When is flight ua1521 scheduled to arrive?
Flight ua1521 is scheduled to arrive at 12:46. The latest estimated or actual arrival time is 12:16. Status is Scheduled as of Oct 30, 2026.What is the baggage carousel number for flight ua1521?
After arrival, baggage for flight ua1521 is expected at carousel 3 in terminal B. Carousel numbers are assigned close to landing and may change—follow airport signs on arrival.What route does flight ua1521 fly?
Flight ua1521 is operated by United Airlines from Denver (DEN) to San Antonio (SAT). Typical flight time is about 2 hours11 minutes; operating days may include Friday.How can I check real-time status for flight ua1521?
Track flight ua1521 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 ua1521 is delayed or canceled, what should I do?
If ua1521 is delayed or canceled, first confirm the latest status here (Scheduled, updated Oct 30, 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 ua1521 departed from Denver?
Flight ua1521 has not departed from Denver (DEN) yet and is currently on schedule for 09:35.What is the seat configuration for flight ua1521?
Flight ua1521 usually flies a Boeing 737-900 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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Destination Info: San Antonio Weather & Time
Showers
|
18°C - 23°C
Expected weather conditions upon arrival
1 hour time difference
Time on arrival: Denver 11:16
|
San Antonio 12:16
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