KLM KL9421 Flight Status
According to Trip.com's real-time data, the KL9421 flight operated by KLM on Sep 22, 2026, scheduled to fly from Mendoza (MDZ) to Sao Paulo (GRU), has experienced a change in flight status: the originally scheduled departure time has been delayed, and the new departure time is 14:49 , with a new arrival time of 17:45 . Trip.com will continue to keep you updated on the latest flight status.
Sun, Sep 20
Tue, Sep 22
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Arrived
The flight has arrived 20m early
3h 25m
Sao Paulo(GRU)
17:25
Scheduled: 17:45, Sep 20
São Paulo/Guarulhos–Governor André Franco Montoro International Airport T2 Check-in Counter
005-010
Boarding Gate
1
Arrival Gate
--
Baggage
--
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Delayed
Your flight is about 29m late.
3h 15m
Sao Paulo(GRU)
17:45
Scheduled: 17:35, Sep 22
São Paulo/Guarulhos–Governor André Franco Montoro International Airport T2 Check-in Counter
005-010
Boarding Gate
--
Arrival Gate
--
Baggage
--
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Information provided by VariFlight For the latest updates, please refer to airport announcements or consult your airline. You can also explore more flights from Mendoza to Sao Paulo or track other flights with our flight status tracker.
Flight.News
INMET has issued a weather alert for Sao Paulo starting on 21/09/2026 at 09:10. The area faces rainfall between 30 and 60 mm/h or 50 and 100 mm/day, intense winds of 60–100 km/h, and hail. There are potential risks of power outages, crop damage, falling trees, and flooding.
KL9421 Aircraft Details
According to Trip.com real-time data, the KL9421 flight flying from Mendoza to Sao Paulo on 9/22/2026 is operated by the aircraft model Boeing 737-800. This aircraft has been in service for 5y, 4m. The aircraft is equipped with 176 seats.
Boeing 737-800
Punctuality (Departure)
77%
Punctuality (Arrival)
93%
Early on average
3 minutes
Age
5y, 4m
Seats
176
Distance
--
Economy
Premium Economy
Onboard Amenities
Meal included
Inflight entertainment is available
Wi-Fi (additional charge)
USB port
Seating Plan
76 cm
Legroom
43 cm
Seat width
100°
Reclining Angle
3-3
Seat layout example
Onboard Amenities
Meal included
Inflight entertainment is available
Wi-Fi (additional charge)
USB port
Seating Plan
86 cm
More legroom than on 50% of flights
43 cm
Seat width
110°
Reclining Angle
3-3
Seat layout example
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Flight History for KL9421
Trip.com historical records show that the last KL9421 flight departed on Sun, Sep 20 from MDZ at approximately 14:21. This flight is expected to arrrive in GRU at 17:25.
| Date | Airport | Aircraft Type | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Fri, Sep 11 | Mendoza (MDZ) | Sao Paulo (GRU) | 738 | 14:41 | 18:12 | Arrived |
| Sun, Sep 13 | Mendoza (MDZ) | Sao Paulo (GRU) | 738 | 14:27 | 17:18 | Arrived |
| Tue, Sep 15 | Mendoza (MDZ) | Sao Paulo (GRU) | B38M | 14:29 | 17:25 | Arrived |
| Thu, Sep 17 | Mendoza (MDZ) | Sao Paulo (GRU) | 738 | 14:33 | 17:17 | Arrived |
| Fri, Sep 18 | Mendoza (MDZ) | Sao Paulo (GRU) | B38M | 14:21 | 17:14 | Arrived |
| Sun, Sep 20 | Mendoza (MDZ) | Sao Paulo (GRU) | B38M | 14:21 | 17:25 | Arrived |
| Tue, Sep 22 | Mendoza (MDZ) | Sao Paulo (GRU) | 738 | 14:49 | 17:45 | Delayed |
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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 77% (Late on average 18 minutes), and the on-time arrival rate is 93% (Early on average 3 minutes).
On-Time Departures
Punctuality
77%
Late on average 18 minutes
Early
3%
On time
73%
30 mins late
17%
60 mins late
3%
90 mins late
3%
Cancelled
0%
On-Time Arrivals
Punctuality
93%
Early on average 3 minutes
Early
60%
On time
33%
30 mins late
7%
60 mins late
0%
90 mins late
0%
Cancelled
0%
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Frequently Asked Questions
What is the current status of flight kl9421?
Flight kl9421 is delayed by about 29 minutes (status: Delayed). Latest estimated departure/arrival: 14:49 / 17:45 (updated Sep 22, 2026).Is flight kl9421 on time today?
Flight kl9421 is delayed by about 29 minutes (status: Delayed). The latest estimated departure/arrival times are 14:49 / 17:45. Watch for gate changes.Has flight kl9421 departed yet? What is the departure time?
Flight kl9421 is scheduled to depart at 14:20. The latest actual or estimated departure time is 14:49, and the current status is Delayed (updated Sep 22, 2026).When is flight kl9421 scheduled to arrive?
Flight kl9421 is scheduled to arrive at 17:35. The latest estimated or actual arrival time is 17:45. Status is Delayed as of Sep 22, 2026.What route does flight kl9421 fly?
Flight kl9421 is operated by KLM from Mendoza (MDZ) to Sao Paulo (GRU). Typical flight time is about 3 hours15 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 (Delayed, updated Sep 22, 2026). Contact KLM 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 Mendoza?
Flight kl9421 has not left Mendoza (MDZ) yet and is delayed by about 29 minutes. Latest estimated departure: 14:49.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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Destination Info: Sao Paulo Weather & Time
Clear
|
19°C - 29°C
Expected weather conditions upon arrival
0 hour time difference
Time on arrival: Mendoza 17:45| Sao Paulo 17:45
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