SQ421 Singapore Airlines
SQ421 Singapore Airlines from Mumbai (BOM) to Singapore (SIN): usually departs 11:45, 5 h 35 min, B78X. Usual times, aircraft, on-time record and miles earned over the last 30 days.
| Route | Flights recorded | Usually departs | Usually arrives | Scheduled time | Aircraft | Within 15 min |
|---|---|---|---|---|---|---|
| BOM → SIN | 30 | 11:45 | 19:50 | 5 h 35 min | B78X | Unavailable |
Latest flights of SQ421, by local departure date
- Tue, 3 Nov 2026: BOM → SIN
- Mon, 2 Nov 2026: BOM → SIN
- Sun, 1 Nov 2026: BOM → SIN
- Sat, 31 Oct 2026: BOM → SIN
- Fri, 30 Oct 2026: BOM → SIN
About Singapore Airlines flight SQ421
Tierleap recorded 30 scheduled Singapore Airlines SQ421 flights from Chhatrapati Shivaji Maharaj International Airport (BOM) to Singapore Changi Airport (SIN) in the last 30 days. It usually leaves Mumbai at 11:45 local time and arrives in Singapore at 19:50 local time, a scheduled 5 h 35 min. Aircraft types recorded: B78X (30 flights).
At Singapore Changi Airport (SIN), Tierleap's gate arrival forecast (Tierleap model) has a measured error of 9.2 minutes over 30 graded flights and landing forecast (Tierleap model) has a measured error of 11.1 minutes over 80 graded flights in the last 2 days.
SQ421 from BOM to SIN is about 2,437 miles flown. On Singapore Airlines, KrisFlyer credits 1,219 miles in G class and up to 4,874 in A class, from its earning table.
On Singapore Airlines, Royal Orchid Plus credits 1,828 miles in H class and up to 3,656 in A class, from its earning table.
Questions about SQ421
What time does SQ421 depart?
From Chhatrapati Shivaji Maharaj International Airport (BOM) to Singapore Changi Airport (SIN), SQ421 usually leaves Mumbai at 11:45 local time and arrives in Singapore at 19:50 local time.
How long is flight SQ421?
The scheduled time of SQ421 from BOM to SIN is 5 h 35 min, the median of the last 30 days.
What aircraft does SQ421 use?
Aircraft types recorded: B78X (30 flights).
How accurate is Tierleap's forecast for SQ421?
At Singapore Changi Airport (SIN), Tierleap's gate arrival forecast (Tierleap model) has a measured error of 9.2 minutes over 30 graded flights and landing forecast (Tierleap model) has a measured error of 11.1 minutes over 80 graded flights in the last 2 days.
How many KrisFlyer miles does SQ421 earn?
SQ421 from BOM to SIN is about 2,437 miles flown. On Singapore Airlines, KrisFlyer credits 1,219 miles in G class and up to 4,874 in A class, from its earning table.
How many Royal Orchid Plus miles does SQ421 earn?
SQ421 from BOM to SIN is about 2,437 miles flown. On Singapore Airlines, Royal Orchid Plus credits 1,828 miles in H class and up to 3,656 in A class, from its earning table.