Singapore Airlines SQ421 Flight status
According to Trip.com’s latest record on status for Singapore Airlines flight SQ421 from Mumbai to Singapore (BOM-SIN): Flight SQ421 has safely landed at Singapore Changi Airport (SIN) 19:30 (local time), about 20m early.
Thu, Oct 22
Fri, Oct 23
Sat, Oct 24
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Arrived
The flight has arrived 21m late
5h 35m
Check-in Counter
H,P
Boarding Gate
75
Arrival Gate
E28
Baggage
33
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Arrived
The flight has arrived 20m early
5h 35m
Check-in Counter
H,P
Boarding Gate
73
Arrival Gate
A5
Baggage
41
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Scheduled
Your flight will depart on time.
5h 35m
Check-in Counter
H,P
Boarding Gate
--
Arrival Gate
--
Baggage
--
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Singapore Airlines From JPY 24,760
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Track the Previous Flight Status: Landed at Mumbai
SQ422
|
Singapore (SIN)
Mumbai (BOM)
Mumbai (BOM)
Scheduled: 10:30
|
8m early
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SQ421 Aircraft Details
According to Trip.com real-time data, the SQ421 flight from Mumbai to Singapore on 10/23/2026 is operated using the aircraft model Boeing 787. This aircraft has been in service for 2y, 1m. The aircraft has 337 seats.
Boeing 787
Punctuality (Departure)
30
%
Punctuality (Arrival)
90
%
Early on average
3 minutes
Age
2y, 1m
Seats
337
Flight Distance
--
Economy
Business
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (free)
USB port and power outlet
Seat Information
81 cm
More legroom than on 78% of flights
48 cm
Seat width better than on 78% of flights
100°
Reclining Angle
3-3-3
Seat layout example
In-Flight Services
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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Flight History for SQ421
Trip.com historical records show that the last SQ421 flight departed on Thu, Oct 22 from BOM at approximately 12:51. This flight is expected to arrrive in SIN at 20:11.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sun, Oct 18 | Mumbai (BOM) | Singapore (SIN) | B78X | 12:45 | 20:02 | Arrived |
| Mon, Oct 19 | Mumbai (BOM) | Singapore (SIN) | B78X | 12:19 | 19:40 | Arrived |
| Tue, Oct 20 | Mumbai (BOM) | Singapore (SIN) | B78X | 12:23 | 19:48 | Arrived |
| Wed, Oct 21 | Mumbai (BOM) | Singapore (SIN) | B78X | 12:20 | 19:31 | Arrived |
| Thu, Oct 22 | Mumbai (BOM) | Singapore (SIN) | B78X | 12:51 | 20:11 | Arrived |
| Fri, Oct 23 | Mumbai (BOM) | Singapore (SIN) | B78X | 12:13 | 19:30 | Arrived |
| Sat, Oct 24 | Mumbai (BOM) | Singapore (SIN) | B78X | 11:45 | 19:50 | 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 30% (Late on average 39 minutes), and the on-time arrival rate is 90% (Early on average 3 minutes).
On-Time Departures
Punctuality
30
%
Late on average
39 minutes
Early
0
%
On time
30
%
30 mins late
53
%
60 mins late
17
%
90 mins late
0
%
Cancelled
0
%
On-Time Arrivals
Punctuality
90
%
Early on average
3 minutes
Early
63
%
On time
27
%
30 mins late
10
%
60 mins late
0
%
90 mins late
0
%
Cancelled
0
%
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Flight FAQs
What is the current status of flight sq421?
Flight sq421 has arrived (status: Arrived). Actual arrival 19:30 (updated Oct 23, 2026).Is flight sq421 on time today?
Flight sq421 has arrived (status: Arrived). Actual arrival was 19:30; follow airport screens for the baggage carousel.Has flight sq421 departed yet? What is the departure time?
Flight sq421 is scheduled to depart at 11:45. The latest actual or estimated departure time is 12:13, and the current status is Arrived (updated Oct 23, 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 19:30. Status is Arrived as of Oct 23, 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 is the baggage carousel number for flight sq421?
After arrival, baggage for flight sq421 is expected at carousel 41 in terminal T3. Carousel numbers are assigned close to landing and may change—follow airport signs on arrival.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 35 minutes; operating days may include Friday.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 (Arrived, updated Oct 23, 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 already left Mumbai and completed its journey. Departure was 12:13; actual arrival 19:30.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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Arrival Info: Singapore Weather & Current Time
Intermittent clouds
|
26°C - 34°C
Weather forecast for your arrival day
2.5 hour time difference
Time on arrival: Mumbai 17:00
|
Singapore 19:30
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