flight-status
United Airlines United Airlines

UA9855 Flight Status

According to the latest from Trip.com for United Airlines Flight UA9855 from Boston to Vienna (BOS–VIE): Flight UA9855 has landed safely at Vienna Airport (VIE) at 8:31 AM local time, arriving approximately 11m behind schedule.
Sun, Nov 1
BOS-VIE

Access more flight status info on the Trip.com app

Arrived
The flight has arrived 11m late
Boston(BOS)
7:14 PM
Scheduled: 6:55 PM, Nov 1
Boston Logan International Airport E
173106C5-5199-4134-A176-6296CB3DA377 7h 25m
Vienna(VIE)
8:31 AM
Scheduled: 8:20 AM, Nov 2
Vienna Airport T3
Check-in Counter
74-86
Boarding Gate
E7
Arrival Gate
D28
Baggage
10
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Information provided by VariFlight For real-time updates, please check airport displays or contact your airline. You can also explore more flights from Boston to Vienna or track other flights with our flight status tracker.

UA9855 Aircraft Details

flight status
Boeing 787-9
Punctuality (Departure)
67 %
Punctuality (Arrival)
100 %
Early on average
27 minutes
Age
--
Seats
--
Flight Distance
--

Flight History for UA9855

Check more records from Trip.com about UA9855 before and after today
Date Airport Aircraft Model Departure Arrival Status
Departure Arrival
Tue, Oct 20 Boston (BOS) Vienna (VIE) 763 5:47 PM 6:53 AM Arrived
Thu, Oct 22 Boston (BOS) Vienna (VIE) 763 5:56 PM 5:44 AM Arrived
Sat, Oct 24 Boston (BOS) Vienna (VIE) 763 5:25 PM 5:38 AM Arrived
Sun, Oct 25 Boston (BOS) Vienna (VIE) 789 8:14 PM 8:02 AM Arrived
Tue, Oct 27 Boston (BOS) Vienna (VIE) 789 8:14 PM 8:11 AM Arrived
Fri, Oct 30 Boston (BOS) Vienna (VIE) 789 8:03 PM 8:01 AM Arrived
Sun, Nov 1 Boston (BOS) Vienna (VIE) 789 7:14 PM 8:31 AM Arrived

UA9855 On-Time Performance

Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA9855 is 67% (Late on average 22 minutes), and the on-time arrival rate is 100% (Early on average 27 minutes).

On-Time Departures
Punctuality
67 %
Late on average 22 minutes
Early
0 %
On time
67 %
30 mins late
33 %
60 mins late
0 %
90 mins late
0 %
Canceled
1 %
On-Time Arrivals
Punctuality
100 %
Early on average 27 minutes
Early
97 %
On time
3 %
30 mins late
0 %
60 mins late
0 %
90 mins late
0 %
Canceled
1 %

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Frequently Asked Questions

  • What is the current status of flight ua9855?

    Flight ua9855 has arrived (status: Arrived). Actual arrival 8:31 AM (updated Nov 3, 2026).
  • Flight ua9855 has arrived (status: Arrived). Actual arrival was 8:31 AM; follow airport screens for the baggage carousel.
  • Flight ua9855 is scheduled to depart at 6:55 PM. The latest actual or estimated departure time is 7:14 PM, and the current status is Arrived (updated Nov 3, 2026).
  • Flight ua9855 is scheduled to arrive at 8:20 AM. The latest estimated or actual arrival time is 8:31 AM. Status is Arrived as of Nov 3, 2026.
  • For flight ua9855, the departure terminal is E and the boarding gate is E7. Gate assignments can change at short notice—confirm on airport screens before heading to security.
  • After arrival, baggage for flight ua9855 is expected at carousel 10 in terminal T3. Carousel numbers are assigned close to landing and may change—follow airport signs on arrival.
  • Flight ua9855 is operated by United Airlines from Boston (BOS) to Vienna (VIE). Typical flight time is about 7 hours25 minutes; operating days may include Tuesday.
  • Track flight ua9855 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 ua9855 is delayed or canceled, first confirm the latest status here (Arrived, updated Nov 3, 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.
  • Flight ua9855 has already left Boston and completed its journey. Departure was 7:14 PM; actual arrival 8:31 AM.
  • Flight ua9855 usually flies a Boeing 787-9 with seat layout 3-3-3. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.

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