Singapore Airlines SQ421 Flight Status
Based on Trip.com’s real-time data, the SQ421 flight operated by Singapore Airlines on Oct 22, 2026 is scheduled to fly from Mumbai (BOM) to Singapore (SIN). The flight is expected to depart at 11:45 (local time in Mumbai, UTC+5.5) and land at 19:06 (local time in Singapore, UTC+8) .
Wed, Oct 21
Thu, Oct 22
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Arrived
The flight has arrived 19m early
5h 35m
Check-in Counter
H,P
Boarding Gate
74
Arrival Gate
B5
Baggage
46
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Scheduled
Your flight will depart on time.
5h 35m
Check-in Counter
H,P
Boarding Gate
75
Arrival Gate
--
Baggage
--
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Singapore Airlines From KRW 182,600
Search flights Information provided by VariFlight For the latest updates, please refer to airport announcements or consult your airline. You can also explore more flights from Mumbai to Singapore or track other flights with our flight status tracker.
SQ421 Aircraft Details
According to Trip.com real-time data, the SQ421 flight flying from Mumbai to Singapore on 10/22/2026 is operated by the aircraft model Boeing 787. This aircraft has been in service for 5y, 6m. The aircraft is equipped with 337 seats.
Boeing 787
Punctuality (Departure)
33
%
Punctuality (Arrival)
90
%
Early on average
4 minutes
Age
5y, 6m
Seats
337
Distance
--
Economy
Business
Onboard Amenities
Meal included
Seatback entertainment system
Wi-Fi (free)
USB port and power outlet
Seating Plan
81 cm
More legroom than on 80% of flights
48 cm
Seat width better than on 80% of flights
100°
Reclining Angle
3-3-3
Seat layout example
Onboard Amenities
Meal included
Seatback entertainment system
Wi-Fi (free)
USB port and power outlet
Seating Plan
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 21 from BOM at approximately 12:21. This flight is expected to arrrive in SIN at 19:31.
| Date | Airport | Aircraft Type | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Fri, Oct 16 | Mumbai (BOM) | Singapore (SIN) | B78X | 12:56 | 20:21 | Arrived |
| Sat, Oct 17 | Mumbai (BOM) | Singapore (SIN) | B78X | 12:36 | 19:57 | Arrived |
| 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 | 12:21 | 19:31 | Arrived |
| Thu, Oct 22 | Mumbai (BOM) | Singapore (SIN) | B78X | 11:45 | 19:06 | Scheduled |
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SQ421 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of SQ421 is 33% (Late on average 38 minutes), and the on-time arrival rate is 90% (Early on average 4 minutes).
On-Time Departures
Punctuality
33
%
Late on average
38 minutes
Early
0
%
On time
33
%
30 mins late
53
%
60 mins late
13
%
90 mins late
0
%
Cancelled
0
%
On-Time Arrivals
Punctuality
90
%
Early on average
4 minutes
Early
67
%
On time
23
%
30 mins late
10
%
60 mins late
0
%
90 mins late
0
%
Cancelled
0
%
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Frequently Asked Questions
What is the current status of flight sq421?
Flight sq421 has not departed yet and is currently on schedule. Scheduled departure 11:45, arrival 19:50 (updated Oct 22, 2026).Is flight sq421 on time today?
Flight sq421 has not departed yet and is currently on schedule. Scheduled departure is 11:45, 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 11:45. The latest actual or estimated departure time is 11:45, and the current status is Scheduled (updated Oct 22, 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 19:06. Status is Scheduled as of Oct 22, 2026.What is the gate information for flight sq421?
For flight sq421, the departure terminal is T2 and the boarding gate is 75. 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 hours35 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 22, 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 11:45.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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Destination Info: Singapore Weather & Time
Intermittent clouds
|
26°C - 33°C
Expected weather conditions upon arrival
2.5 hour time difference
Time on arrival: Mumbai 16:36
|
Singapore 19:06
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