Singapore Airlines SQ421 Flight status
According to Trip.com real-time data, the SQ421 flight operated by Singapore Airlines on Oct 29, 2026 is scheduled to fly from Mumbai (BOM) to Singapore (SIN). The flight is expected to depart at 11:50 AM (local time in Mumbai, UTC+5.5) and arrive at 7:10 PM (local time in Singapore, UTC+8) .
Wed, Oct 28
Thu, Oct 29
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Arrived
The flight has arrived 35m late
5h 30m
Check-in Counter
H,P
Boarding Gate
73
Arrival Gate
B10
Baggage
45
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Scheduled
Your flight will depart on time.
5h 30m
Check-in Counter
H,P
Boarding Gate
76
Arrival Gate
--
Baggage
--
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SQ421 Aircraft Details
According to Trip.com real-time data, the SQ421 flight from Mumbai to Singapore on 10/29/2026 is operated using the aircraft model Boeing 787. This aircraft has been in service for 5y, 10m. The aircraft has 337 seats.
Boeing 787
Punctuality (Departure)
23
%
Punctuality (Arrival)
87
%
Late on average
1 minute
Age
5y, 10m
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 Wed, Oct 28 from BOM at approximately 12:58 PM. This flight is expected to arrrive in SIN at 8:25 PM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Fri, Oct 23 | Mumbai (BOM) | Singapore (SIN) | B78X | 12:13 PM | 7:30 PM | Arrived |
| Sat, Oct 24 | Mumbai (BOM) | Singapore (SIN) | B78X | 12:30 PM | 7:45 PM | Arrived |
| Sun, Oct 25 | Mumbai (BOM) | Singapore (SIN) | B78X | 1:49 PM | 9:10 PM | Arrived |
| Mon, Oct 26 | Mumbai (BOM) | Singapore (SIN) | B78X | 1:24 PM | 8:58 PM | Arrived |
| Tue, Oct 27 | Mumbai (BOM) | Singapore (SIN) | B78X | 12:52 PM | 8:00 PM | Arrived |
| Wed, Oct 28 | Mumbai (BOM) | Singapore (SIN) | B78X | 12:58 PM | 8:25 PM | Arrived |
| Thu, Oct 29 | Mumbai (BOM) | Singapore (SIN) | B78X | 11:50 AM | 7:10 PM | 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 23% (Late on average 46 minutes), and the on-time arrival rate is 87% (Late on average 1 minute).
On-Time Departures
Punctuality
23
%
Late on average
46 minutes
Early
0
%
On time
23
%
30 mins late
53
%
60 mins late
17
%
90 mins late
7
%
Cancelled
0
%
On-Time Arrivals
Punctuality
87
%
Late on average
1 minute
Early
60
%
On time
27
%
30 mins late
7
%
60 mins late
7
%
90 mins late
0
%
Cancelled
0
%
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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 AM, arrival 7:50 PM (updated Oct 29, 2026).Is flight sq421 on time today?
Flight sq421 has not departed yet and is currently on schedule. Scheduled departure is 11:50 AM, with arrival at 7:50 PM. 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 AM. The latest actual or estimated departure time is 11:50 AM, and the current status is Scheduled (updated Oct 29, 2026).When is flight sq421 scheduled to arrive?
Flight sq421 is scheduled to arrive at 7:50 PM. The latest estimated or actual arrival time is 7:10 PM. Status is Scheduled as of Oct 29, 2026.What is the gate information for flight sq421?
For flight sq421, the departure terminal is T2 and the boarding gate is 76. 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 Oct 29, 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 AM.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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