flight-status
KLM Royal Dutch Airlines 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 7, 2026 is scheduled to fly from Sao Luis (SLZ) to Sao Paulo (GRU). The flight is expected to depart at 02:15 and land at 05:27 .
Thu, Nov 5
Sat, Nov 7
Mon, Nov 9
SLZ-SAO

Access more flight status info on the Trip.com app

Arrived
The flight has arrived 8m early
Sao Luis(SLZ)
02:20
Scheduled: 02:20, Nov 5
São Luís–Marechal Cunha Machado International Airport T1
173106C5-5199-4134-A176-6296CB3DA377 3h 35m
Check-in Counter
--
Boarding Gate
2
Arrival Gate
--
Baggage
--
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KLM Royal Dutch Airlines
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SLZ-SAO

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Scheduled
Your flight will depart on time.
Sao Luis(SLZ)
02:15
Scheduled: 02:15, Nov 7
São Luís–Marechal Cunha Machado International Airport T1
173106C5-5199-4134-A176-6296CB3DA377 3h 35m
Check-in Counter
--
Boarding Gate
2
Arrival Gate
--
Baggage
--
Show more
Need a flight from Sao Luis to Sao Paulo?
KLM Royal Dutch Airlines
Search flights
SLZ-SAO

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Scheduled
Your flight will depart on time.
Sao Luis(SLZ)
02:15
Scheduled: 02:15, Nov 9
São Luís–Marechal Cunha Machado International Airport T1
173106C5-5199-4134-A176-6296CB3DA377 3h 40m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
--
Show more
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.
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KL9421

KL9421 Aircraft Details

According to Trip.com real-time data, the KL9421 flight flying from Sao Luis to Sao Paulo on 11/7/2026 is operated by the aircraft model Boeing 737 MAX 8. This aircraft has been in service for 5y, 7m. The aircraft is equipped with 176 seats.
flight status
Boeing 737 MAX 8
Punctuality (Departure)
100 %
Punctuality (Arrival)
100 %
Early on average
13 minutes
Age
5y, 7m
Seats
176
Flight Distance
--

Flight History for KL9421

Trip.com historical records show that the last KL9421 flight departed on Thu, Nov 5 from SLZ at approximately 02:20. This flight is expected to arrrive in GRU at 05:47.
Date Airport Aircraft Model Departure Arrival Status
Departure Arrival
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 02:24 05:38 Arrived
Wed, Nov 4 Sao Luis (SLZ) Sao Paulo (GRU) 738 02:34 05:46 Arrived
Thu, Nov 5 Sao Luis (SLZ) Sao Paulo (GRU) B38M 02:20 05:47 Arrived
Sat, Nov 7 Sao Luis (SLZ) Sao Paulo (GRU) 738 02:15 05:27 Scheduled
Mon, Nov 9 Sao Luis (SLZ) Sao Paulo (GRU) B38M 02:15 05:55 Scheduled

KL9421 On-Time Performance

Based on the average performance of this flight over the past 30 trips, the on-time departure rate of KL9421 is 100% (Late on average 8 minutes), and the on-time arrival rate is 100% (Early on average 13 minutes).

On-Time Departures
Punctuality
100 %
Late on average 8 minutes
Early
0 %
On time
100 %
30 mins late
0 %
60 mins late
0 %
90 mins late
0 %
Canceled
0 %
On-Time Arrivals
Punctuality
100 %
Early on average 13 minutes
Early
90 %
On time
10 %
30 mins late
0 %
60 mins late
0 %
90 mins late
0 %
Canceled
0 %

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Frequently Asked Questions

  • What is the current status of flight kl9421?

    Flight kl9421 has not departed yet and is currently on schedule. Scheduled departure 02:15, arrival 05:50 (updated Nov 7, 2026).
  • Flight kl9421 has not departed yet and is currently on schedule. Scheduled departure is 02:15, with arrival at 05:50. Recheck gate and timing before you head to the airport.
  • Flight kl9421 is scheduled to depart at 02:15. The latest actual or estimated departure time is 02:15, and the current status is Scheduled (updated Nov 7, 2026).
  • Flight kl9421 is scheduled to arrive at 05:50. The latest estimated or actual arrival time is 05:27. Status is Scheduled as of Nov 7, 2026.
  • 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.
  • Flight kl9421 is operated by KLM Royal Dutch Airlines from Sao Luis (SLZ) to Sao Paulo (GRU). Typical flight time is about 3 hours35 minutes; operating days may include Saturday.
  • 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 kl9421 is delayed or canceled, first confirm the latest status here (Scheduled, updated Nov 7, 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.
  • Flight kl9421 has not departed from Sao Luis (SLZ) yet and is currently on schedule for 02:15.
  • Flight kl9421 usually flies a Boeing 737 MAX 8 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

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Mostly cloudy
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19°C - 25°C
Weather forecast for your arrival day
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0 hour time difference
Time on arrival: Sao Luis 05:55 | Sao Paulo 05:55

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