| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 26 | SLZ | GRU | 02:30 | 05:44 |
En-Route
|
Track > |
| Oct 25 | SLZ | GRU | 02:29 | 05:55 |
Landed
|
Track > |
| Oct 24 | SLZ | GRU | 04:17 | 08:04 |
Landed
|
Track > |
KLM Flight KL9421 connects Sao Luis, Brazil to Sao Paulo, Brazil, taking off from Sao Luis Airport SLZ and landing at Sao Paulo Guarulhos International Airport GRU.
How long is the KL9421 flight from Sao Luis to Sao Paulo?
The average flight time from Sao Luis to Sao Paulo is 3 hours and 29 minutes. The flight distance is 2330 km / 1448 miles and the average flight speed is 672 km/h / 417 mph.
How many KL9421 flights are operated per week?
3 flights per week. The flight KL9421 is operated on Monday, Saturday and Sunday.
What is the On-Time Performance (OTP) of KLM Flight KL9421 Sao Luis to Sao Paulo?
The Airportia On-Time Performance Rating for KLM Flight KL9421 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight KL9421 arriving at?
Flight KL9421 arrives at Sao Paulo Guarulhos International Airport (GRU) Terminal 2.
When was the latest KL9421 flight?
The latest flight took off on Monday, October 26th, 2026 with the flight status being En-Route on 05:44.
How else can the flight KL9421 be referenced as?
This KLM flight can also be referenced as KLM9421, KL 9421, KLM 9421.
How often is flight KL9421 delayed?
On average, 67% of all KL9421 flights are delayed. The average delay is 9 minutes.
Can I get compensation for my delayed or cancelled KL9421 flight or baggage issues?
If your KL9421 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our KL9421 Flight Tracker above for more details.
Other flights departing from Sao Luis SLZ: LA3857, G31567, LA3437, AD4414
Other flights arriving at Sao Paulo GRU: LA3375, G31649, G31567, LA3657
All flights connecting Sao Luis SLZ to Sao Paulo GRU.