United Airlines
UA3878 Flight status
According to Trip.com’s latest record on status for United Airlines flight UA3878 from New York to San Antonio (EWR-SAT): Flight UA3878 has safely landed at San Antonio International Airport (SAT) 20:29 (local time), about 59m late.
Tue, Sep 29
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Arrived
The flight has arrived 59m late
4h
Check-in Counter
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Boarding Gate
C126
Arrival Gate
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Baggage
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UA3878 Aircraft Details
Plane model info unavailable
Punctuality (Departure)
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Punctuality (Arrival)
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Early on average
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Age
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Seats
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Flight Distance
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Economy
In-Flight Services
Unknown
Unknown
Unknown
Unknown
Seat Information
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Legroom
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Seat width
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Reclining Angle
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Seat layout example
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Flight History for UA3878
Check more records from Trip.com about UA3878 before and after today
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Tue, Sep 29 | New York (EWR) | San Antonio (SAT) | B77W | 18:24 | 20:29 | Arrived |
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Flight FAQs
-
What is the current status of flight ua3878?
Flight ua3878 has arrived (status: Arrived). Actual arrival 20:29 (updated Oct 4, 2026). -
Is flight ua3878 on time today?
Flight ua3878 has arrived (status: Arrived). Actual arrival was 20:29; follow airport screens for the baggage carousel. -
Has flight ua3878 departed yet? What is the departure time?
Flight ua3878 is scheduled to depart at 16:30. The latest actual or estimated departure time is 18:24, and the current status is Arrived (updated Oct 4, 2026). -
When is flight ua3878 scheduled to arrive?
Flight ua3878 is scheduled to arrive at 19:30. The latest estimated or actual arrival time is 20:29. Status is Arrived as of Oct 4, 2026. -
What route does flight ua3878 fly?
Flight ua3878 is operated by United Airlines from New York (EWR) to San Antonio (SAT). Typical flight time is about 4 hours; operating days may include Sunday. -
How can I check real-time status for flight ua3878?
Track flight ua3878 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 ua3878 is delayed or canceled, what should I do?
If ua3878 is delayed or canceled, first confirm the latest status here (Arrived, updated Oct 4, 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 ua3878 departed from New York?
Flight ua3878 has already left New York and completed its journey. Departure was 18:24; actual arrival 20:29.
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