United Airlines
UA2129 Flight Status
Based on Trip.com’s real-time data, the UA2129 flight operated by United Airlines on Oct 8, 2026 is scheduled to fly from San Diego (SAN) to Washington D.C. (IAD). The flight is expected to depart at 21:45 (local time in San Diego, UTC-7) and land at 05:10 (local time in Washington D.C., UTC-4) .
Wed, Oct 7
Thu, Oct 8
Fri, Oct 9
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En route
Your flight has departed San Diego and is expected to arrive in Washington D.C. at 05:29.
4h 56m
Check-in Counter
--
Boarding Gate
44
Arrival Gate
D30
Baggage
3
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Scheduled
Your flight will depart on time.
4h 56m
Check-in Counter
--
Boarding Gate
44
Arrival Gate
--
Baggage
3
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Scheduled
Your flight will depart on time.
4h 56m
Check-in Counter
--
Boarding Gate
39
Arrival Gate
--
Baggage
3
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Information provided by VariFlight
For the latest updates, please refer to airport announcements or consult your airline.
You can also explore more flights from San Diego to Washington D.C. or track other flights with our flight status tracker.
Track the Previous Flight Status: Scheduled
UA2054
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Fort Myers (FMY)
San Diego (SAN)
San Diego (SAN)
Scheduled: 20:29
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UA2129 Aircraft Details
According to Trip.com real-time data, the UA2129 flight flying from San Diego to Washington D.C. on 10/8/2026 is operated by the aircraft model Boeing 737-900. This aircraft has been in service for 5y, 8m. The aircraft is equipped with 179 seats.
Boeing 737-900
Punctuality (Departure)
83
%
Punctuality (Arrival)
100
%
Early on average
15 minutes
Age
5y, 8m
Seats
179
Distance
--
Economy
First
Premium Economy
Onboard Amenities
None
On-demand entertainment
Wi-Fi (additional charge)
Power outlet
Seating Plan
--
Legroom
--
Seat width
100°
Reclining Angle
3-3
Seat layout example
Onboard Amenities
Meal included
On-demand entertainment
Wi-Fi (additional charge)
Power outlet
Seating Plan
94 cm
More legroom than on 12% of flights
51 cm
Seat width
120°
Reclining Angle
2-2
Seat layout example
Onboard Amenities
Meal included
Entertainment available, please bring your own device
Wi-Fi is available
Power outlet
Seating Plan
--
Legroom
--
Seat width
105°
Reclining Angle
--
Seat layout example
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Flight History for UA2129
Trip.com historical records show that the last UA2129 flight departed on Wed, Oct 7 from SAN at approximately 22:04. This flight is expected to arrrive in IAD at 05:29.
| Date | Airport | Aircraft Type | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Fri, Oct 2 | San Diego (SAN) | Washington D.C. (IAD) | B39M | 21:57 | 05:18 | Arrived |
| Sun, Oct 4 | San Diego (SAN) | Washington D.C. (IAD) | B39M | 22:12 | 05:27 | Arrived |
| Mon, Oct 5 | San Diego (SAN) | Washington D.C. (IAD) | B39M | 22:03 | 05:22 | Arrived |
| Tue, Oct 6 | San Diego (SAN) | Washington D.C. (IAD) | B39M | 21:53 | 05:14 | Arrived |
| Wed, Oct 7 | San Diego (SAN) | Washington D.C. (IAD) | B39M | 22:04 | 05:29 | En route |
| Thu, Oct 8 | San Diego (SAN) | Washington D.C. (IAD) | B39M | 21:45 | 05:10 | Scheduled |
| Fri, Oct 9 | San Diego (SAN) | Washington D.C. (IAD) | B39M | 21:45 | 05:41 | Scheduled |
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UA2129 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA2129 is 83% (Late on average 19 minutes), and the on-time arrival rate is 100% (Early on average 15 minutes).
On-Time Departures
Punctuality
83
%
Late on average
19 minutes
Early
0
%
On time
83
%
30 mins late
17
%
60 mins late
0
%
90 mins late
0
%
Cancelled
0
%
On-Time Arrivals
Punctuality
100
%
Early on average
15 minutes
Early
83
%
On time
17
%
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 ua2129?
Flight ua2129 has not departed yet and is currently on schedule. Scheduled departure 21:45, arrival 05:41 (updated Oct 8, 2026). -
Is flight ua2129 on time today?
Flight ua2129 has not departed yet and is currently on schedule. Scheduled departure is 21:45, with arrival at 05:41. Recheck gate and timing before you head to the airport. -
Has flight ua2129 departed yet? What is the departure time?
Flight ua2129 is scheduled to depart at 21:45. The latest actual or estimated departure time is 21:45, and the current status is Scheduled (updated Oct 8, 2026). -
When is flight ua2129 scheduled to arrive?
Flight ua2129 is scheduled to arrive at 05:41. The latest estimated or actual arrival time is 05:10. Status is Scheduled as of Oct 8, 2026. -
What is the gate information for flight ua2129?
For flight ua2129, the departure terminal is T2 and the boarding gate is 44. Gate assignments can change at short notice—confirm on airport screens before heading to security. -
What route does flight ua2129 fly?
Flight ua2129 is operated by United Airlines from San Diego (SAN) to Washington D.C. (IAD). Typical flight time is about 4 hours56 minutes; operating days may include Thursday. -
How can I check real-time status for flight ua2129?
Track flight ua2129 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 ua2129 is delayed or canceled, what should I do?
If ua2129 is delayed or canceled, first confirm the latest status here (Scheduled, updated Oct 8, 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 ua2129 departed from San Diego?
Flight ua2129 has not departed from San Diego (SAN) yet and is currently on schedule for 21:45. -
What is the seat configuration for flight ua2129?
Flight ua2129 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: Washington D.C. Weather & Time
Clear
|
11°C - 23°C
Expected weather conditions upon arrival
3 hour time difference
Time on arrival: San Diego 02:10
|
Washington D.C. 05:10
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