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Hong Kong Express Airways

Is UO251 delayed?

No, UO251 landed in Hong Kong 15 min early, at 12:50 on Nov 14 (as of Nov 14, 05:57 UTC).

Usually on time: arrived within 15 min of schedule on 12 of the last 14 flights.

Arrived

15 min early

Official source · Updated

Departure

Sanya

SYX

Scheduled

Not available

Arrival

Hong Kong

HKG

Actual

Scheduled 13:05

Nov 14

Times shown in airport local time

Service date: · Scheduled arrival date; departure time unavailable (Asia/Hong_Kong)

Flight details

Departure · UTC

Scheduled
Not available
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Actual

Also sold as CX5251

Recent arrivals

Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.

  • Sanya → Hong Kong

    15 min early

  • Sanya → Hong Kong

    On schedule (1 min behind)

  • Sanya → Hong Kong

    On schedule (6 min behind)

  • Sanya → Hong Kong

    On schedule (1 min behind)

  • Sanya → Hong Kong

    8 min early

Is UO251 usually late?

Period: Oct 15, 2026 – Nov 14, 2026

Arrivals tracked
14
On time
86%
of 14 arrivals
Late
14%
of 14 arrivals
Cancelled
0%
of 14 flights
Median arrival delay
1 min
9 in 10 arrived within
19 min

On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Compares scheduled and actual arrival times. Cancelled and diverted flights are left out. Some flights may be missing.

How flight status works

At the airports today

Hong Kong (HKG) departures

Left more than 15 min late
38 of 170
Cancelled today
2

Related flights

Other flights ZJSY → HKG

All Hong Kong Express Airways flights

Flight history and details
UO251 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Nov 14, 2026ArrivedSanyaHong Kong-15
Nov 12, 2026ArrivedSanyaHong Kong1
Nov 9, 2026ArrivedSanyaHong Kong6
Nov 8, 2026ArrivedSanyaHong Kong1
Nov 7, 2026ArrivedSanyaHong Kong-8
Nov 5, 2026ArrivedSanyaHong Kong0
Nov 1, 2026ArrivedSanyaHong Kong-12
Oct 31, 2026ArrivedSanyaHong Kong-21
Oct 29, 2026ArrivedSanyaHong Kong-9
Oct 25, 2026ArrivedSanyaHong Kong24
Oct 22, 2026ArrivedSanyaHong Kong70
Oct 19, 2026ArrivedSanyaHong Kong4
Oct 18, 2026ArrivedSanyaHong Kong5
Oct 15, 2026ArrivedSanyaHong Kong-11
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