Singapore Airlines SQ421 Flight Status
According to Trip.com latest record on status for Singapore Airlines flight SQ421 from Mumbai to Singapore (BOM-SIN): Flights for Nov 12, 2026 are scheduled, with the next departure slated for 11:50 from BOM and an expected arrival at 19:08 at SIN .
Wed, Nov 11
Thu, Nov 12
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Arrived
The flight arrived 5m early.
5h 30m
Check-in Counter
H,P
Boarding Gate
73
Arrival Gate
B2
Baggage
45
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Scheduled
Your flight will depart on time.
5h 30m
Check-in Counter
H,P
Boarding Gate
73
Arrival Gate
--
Baggage
--
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SQ421 Aircraft Specifications
According to Trip.com real-time data, the SQ421 flight from Mumbai to Singapore on 11/12/2026 is operated using the aircraft model Boeing 787. This aircraft has been in service for 4y, 6m. The aircraft has 337 seats.
Boeing 787
On-Time Departure
10
%
On-Time Arrival
80
%
Avg. Delay
10 minutes
Aircraft Age
4y, 6m
Total Seats
337
Flight Distance
--
Economy
Business
Cabin Amenities
Meal included
Seatback entertainment system
Wi-Fi (free)
USB port and power outlet
Seat Information
81 cm
More legroom than on 83% of flights
48 cm
Seat width better than on 83% of flights
100°
Reclining Angle
3-3-3
Seat layout example
Cabin Amenities
Meal included
Seatback entertainment system
Wi-Fi (free)
USB port and power outlet
Seat Information
152 cm
Legroom
71 cm
Seat width
180°
Reclining Angle
Fully reclinable
1-2-1
Seat layout example
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SQ421 Flight History
Trip.com historical records show that the last SQ421 flight departed on Wed, Nov 11 from BOM at approximately 12:39. This flight is expected to arrrive in SIN at 19:45.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Fri, Nov 6 | Mumbai (BOM) | Singapore (SIN) | B78X | 12:39 | 19:49 | Arrived |
| Sat, Nov 7 | Mumbai (BOM) | Singapore (SIN) | B78X | 13:23 | 20:30 | Arrived |
| Sun, Nov 8 | Mumbai (BOM) | Singapore (SIN) | B78X | 12:56 | 20:06 | Arrived |
| Mon, Nov 9 | Mumbai (BOM) | Singapore (SIN) | B78X | 12:18 | 19:27 | Arrived |
| Tue, Nov 10 | Mumbai (BOM) | Singapore (SIN) | B78X | 12:45 | 19:47 | Arrived |
| Wed, Nov 11 | Mumbai (BOM) | Singapore (SIN) | B78X | 12:39 | 19:45 | Arrived |
| Thu, Nov 12 | Mumbai (BOM) | Singapore (SIN) | B78X | 11:50 | 19:08 | Scheduled |
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SQ421 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of SQ421 is 10% (Late on average 53 minutes), and the on-time arrival rate is 80% (Late on average 10 minutes).
On-Time Departures
Punctuality
10
%
Late on average
53 minutes
Early
0
%
On time
10
%
30 mins late
57
%
60 mins late
23
%
90 mins late
10
%
Cancelled
1
%
On-Time Arrivals
Punctuality
80
%
Late on average
10 minutes
Early
40
%
On time
40
%
30 mins late
13
%
60 mins late
7
%
90 mins late
0
%
Cancelled
1
%
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Flight FAQs
What is the current status of flight sq421?
Flight sq421 has not departed yet and is currently on schedule. Scheduled departure 11:50, arrival 19:50 (updated Nov 12, 2026).Is flight sq421 on time today?
Flight sq421 has not departed yet and is currently on schedule. Scheduled departure is 11:50, with arrival at 19:50. Recheck gate and timing before you head to the airport.Has flight sq421 departed yet? What is the departure time?
Flight sq421 is scheduled to depart at 11:50. The latest actual or estimated departure time is 11:50, and the current status is Scheduled (updated Nov 12, 2026).When is flight sq421 scheduled to arrive?
Flight sq421 is scheduled to arrive at 19:50. The latest estimated or actual arrival time is 19:08. Status is Scheduled as of Nov 12, 2026.What is the gate information for flight sq421?
For flight sq421, the departure terminal is T2 and the boarding gate is 73. Gate assignments can change at short notice—confirm on airport screens before heading to security.What route does flight sq421 fly?
Flight sq421 is operated by Singapore Airlines from Mumbai (BOM) to Singapore (SIN). Typical flight time is about 5 hours 30 minutes; operating days may include Thursday.How can I check real-time status for flight sq421?
Track flight sq421 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 sq421 is delayed or canceled, what should I do?
If sq421 is delayed or canceled, first confirm the latest status here (Scheduled, updated Nov 12, 2026). Contact Singapore Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight sq421 departed from Mumbai?
Flight sq421 has not departed from Mumbai (BOM) yet and is currently on schedule for 11:50.What is the seat configuration for flight sq421?
Flight sq421 usually flies a Boeing 787 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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