United Airlines UA3978 Flight Status
Based on real-time data from Trip.com, flight UA3978, operated by United Airlines and scheduled to fly from Singapore (SIN to Honolulu (HNL), has been cancelled. Please contact the airline or airport counter for the latest information.
Thu, Oct 8
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Cancelled
Please refer to the airline for the latest information
12h 22m
Check-in Counter
1
Boarding Gate
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Arrival Gate
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Baggage
5
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UA3978 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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Distance
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Economy
Onboard Amenities
Unknown
Unknown
Unknown
Unknown
Seating Plan
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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 UA3978
Check more records from Trip.com about UA3978 before and after today
| Date | Airport | Aircraft Type | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Wed, Oct 7 | Singapore (SIN) | Honolulu (HNL) | 789 | -- | -- | Cancelled |
| Thu, Oct 8 | Singapore (SIN) | Honolulu (HNL) | 789 | -- | -- | Cancelled |
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Frequently Asked Questions
What is the current status of flight ua3978?
Flight ua3978 has been canceled (status: Cancelled). Contact United Airlines or your booking channel for rebooking or refund (updated Oct 25, 2026).Is flight ua3978 on time today?
Flight ua3978 has been canceled (status: Cancelled). Contact United Airlines or your booking channel for rebooking or refund options; if booked on Trip.com, use Manage Booking.Has flight ua3978 departed yet? What is the departure time?
Flight ua3978 is scheduled to depart at 14:00. The latest actual or estimated departure time is 14:00, and the current status is Cancelled (updated Oct 25, 2026).When is flight ua3978 scheduled to arrive?
Flight ua3978 is scheduled to arrive at 08:22. The latest estimated or actual arrival time is 07:46. Status is Cancelled as of Oct 25, 2026.What is the baggage carousel number for flight ua3978?
After arrival, baggage for flight ua3978 is expected at carousel 5 in terminal T2. Carousel numbers are assigned close to landing and may change—follow airport signs on arrival.What route does flight ua3978 fly?
Flight ua3978 is operated by United Airlines from Singapore (SIN) to Honolulu (HNL). Typical flight time is about 12 hours22 minutes; operating days may include Sunday.How can I check real-time status for flight ua3978?
Track flight ua3978 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 ua3978 is delayed or canceled, what should I do?
If ua3978 is delayed or canceled, first confirm the latest status here (Cancelled, updated Oct 25, 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 ua3978 departed from Singapore?
Flight ua3978 has been canceled and did not depart from Singapore (SIN). Contact United Airlines or your booking channel for next steps.
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