KLM Royal Dutch Airlines KL9421 Flight status
According to Trip.com real-time data, the KL9421 flight operated by KLM Royal Dutch Airlines on Nov 3, 2026 is scheduled to fly from Sao Luis (SLZ) to Sao Paulo (GRU). The flight is expected to depart at 02:20 and arrive at 05:32 .
Mon, Nov 2
Tue, Nov 3
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Arrived
The flight has arrived 25m early
Sao Luis(SLZ)
02:16
Scheduled: 02:15, Nov 2
São Luís–Marechal Cunha Machado International Airport T1 3h 40m
Sao Paulo(GRU)
05:30
Scheduled: 05:55, Nov 2
São Paulo/Guarulhos–Governor André Franco Montoro International Airport T2 Check-in Counter
--
Boarding Gate
2
Arrival Gate
--
Baggage
--
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KLM Royal Dutch Airlines
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Scheduled
Your flight will depart on time.
Sao Luis(SLZ)
02:20
Scheduled: 02:20, Nov 3
São Luís–Marechal Cunha Machado International Airport T1 3h 35m
Sao Paulo(GRU)
05:32
Scheduled: 05:55, Nov 3
São Paulo/Guarulhos–Governor André Franco Montoro International Airport T2 Check-in Counter
--
Boarding Gate
2
Arrival Gate
--
Baggage
--
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Need a flight from Sao Luis to Sao Paulo?
KLM Royal Dutch Airlines
Search flights Information provided by VariFlight For real-time updates, please check airport displays or contact your airline.
KL9421 Aircraft Details
According to Trip.com real-time data, the KL9421 flight from Sao Luis to Sao Paulo on 11/3/2026 is operated using the aircraft model Boeing 737-800. This aircraft has been in service for 16y, 5m. The aircraft has Up to 203 seats.
Boeing 737-800
Punctuality (Departure)
100
%
Punctuality (Arrival)
100
%
Early on average
12 minutes
Age
16y, 5m
Seats
Up to 203
Flight Distance
--
Economy
Business
In-Flight Services
Snacks
Inflight entertainment is available
Wi-Fi (additional charge)
No power outlets are available
Seat Information
71 cm
Legroom
43 cm
Seat width
100°
Reclining Angle
3-3
Seat layout example
In-Flight Services
None
Entertainment available, please bring your own device
Wi-Fi is unavailable
No power outlets are available
Seat Information
81 cm
Legroom
43 cm
Seat width
100°
Reclining Angle
--
Seat layout example
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Flight History for KL9421
Trip.com historical records show that the last KL9421 flight departed on Mon, Nov 2 from SLZ at approximately 02:16. This flight is expected to arrrive in GRU at 05:30.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Mon, Oct 26 | Sao Luis (SLZ) | Sao Paulo (GRU) | 738 | 02:30 | 05:45 | Arrived |
| Wed, Oct 28 | Sao Luis (SLZ) | Sao Paulo (GRU) | B38M | 02:25 | 05:35 | Arrived |
| Fri, Oct 30 | Sao Luis (SLZ) | Sao Paulo (GRU) | B38M | 02:28 | 05:29 | Arrived |
| Sat, Oct 31 | Sao Luis (SLZ) | Sao Paulo (GRU) | 738 | 02:18 | 05:25 | Arrived |
| Sun, Nov 1 | Sao Luis (SLZ) | Sao Paulo (GRU) | 738 | 02:32 | 05:46 | Arrived |
| Mon, Nov 2 | Sao Luis (SLZ) | Sao Paulo (GRU) | 738 | 02:16 | 05:30 | Arrived |
| Tue, Nov 3 | Sao Luis (SLZ) | Sao Paulo (GRU) | 738 | 02:20 | 05:32 | Scheduled |
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KL9421 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of KL9421 is 100% (Late on average 11 minutes), and the on-time arrival rate is 100% (Early on average 12 minutes).
On-Time Departures
Punctuality
100
%
Late on average
11 minutes
Early
0
%
On time
100
%
30 mins late
0
%
60 mins late
0
%
90 mins late
0
%
Cancelled
0
%
On-Time Arrivals
Punctuality
100
%
Early on average
12 minutes
Early
83
%
On time
17
%
30 mins late
0
%
60 mins late
0
%
90 mins late
0
%
Cancelled
0
%
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Flight FAQs
What is the current status of flight kl9421?
Flight kl9421 has not departed yet and is currently on schedule. Scheduled departure 02:20, arrival 05:55 (updated Nov 3, 2026).Is flight kl9421 on time today?
Flight kl9421 has not departed yet and is currently on schedule. Scheduled departure is 02:20, with arrival at 05:55. Recheck gate and timing before you head to the airport.Has flight kl9421 departed yet? What is the departure time?
Flight kl9421 is scheduled to depart at 02:20. The latest actual or estimated departure time is 02:20, and the current status is Scheduled (updated Nov 3, 2026).When is flight kl9421 scheduled to arrive?
Flight kl9421 is scheduled to arrive at 05:55. The latest estimated or actual arrival time is 05:32. Status is Scheduled as of Nov 3, 2026.What is the gate information for flight kl9421?
For flight kl9421, the departure terminal is T1 and the boarding gate is 2. Gate assignments can change at short notice—confirm on airport screens before heading to security.What route does flight kl9421 fly?
Flight kl9421 is operated by KLM Royal Dutch Airlines from Sao Luis (SLZ) to Sao Paulo (GRU). Typical flight time is about 3 hours 35 minutes; operating days may include Tuesday.How can I check real-time status for flight kl9421?
Track flight kl9421 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 kl9421 is delayed or canceled, what should I do?
If kl9421 is delayed or canceled, first confirm the latest status here (Scheduled, updated Nov 3, 2026). Contact KLM Royal Dutch Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight kl9421 departed from Sao Luis?
Flight kl9421 has not departed from Sao Luis (SLZ) yet and is currently on schedule for 02:20.What is the seat configuration for flight kl9421?
Flight kl9421 usually flies a Boeing 737-800 with seat layout 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: Sao Paulo Weather & Current Time
Partly clear with thunder and rain
|
18°C - 25°C
Weather forecast for your arrival day
0 hour time difference
Time on arrival: Sao Luis 05:32
|
Sao Paulo 05:32
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