Hainan Airlines HU421 Flight Status
Based on real-time data from Trip.com, flight HU421, operated by Hainan Airlines and scheduled to fly from Haikou (HAK to London (LHR), has been cancelled. Please contact the airline or airport counter for the latest information.
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Cancelled
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Flight.News
A weather warning is in place for London, where a spell of inland gales could bring gusts of 45 to 55 mph during Friday daytime. Combined with locally heavy rain and trees still in full leaf, these conditions may lead to power outages and travel disruption.
HU421 Aircraft Details
Plane model info unavailable
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Frequently Asked Questions
What is the current status of flight hu421?
Flight hu421 has been canceled (status: Cancelled). Contact Hainan Airlines or your booking channel for rebooking or refund (updated Oct 23, 2026).Is flight hu421 on time today?
Flight hu421 has been canceled (status: Cancelled). Contact Hainan Airlines or your booking channel for rebooking or refund options; if booked on Trip.com, use Manage Booking.What route does flight hu421 fly?
Flight hu421 is operated by Hainan Airlines from Haikou (HAK) to London (LHR). Typical flight time is about 16 hours35 minutes; operating days may include Friday.How can I check real-time status for flight hu421?
Track flight hu421 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 hu421 is delayed or canceled, what should I do?
If hu421 is delayed or canceled, first confirm the latest status here (Cancelled, updated Oct 23, 2026). Contact Hainan Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight hu421 departed from Haikou?
Flight hu421 has been canceled and did not depart from Haikou (HAK). Contact Hainan Airlines or your booking channel for next steps.
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