Lufthansa LH421 Flight status
According to Trip.com real-time data, the LH421 flight operated by Lufthansa on Sep 22, 2026 is scheduled to fly from Boston (BOS) to Frankfurt (FRA). The flight is expected to depart at 22:00 (local time in Boston, UTC-4) and arrive at 10:29 (local time in Frankfurt, UTC+2) .
Mon, Sep 21
Tue, Sep 22
Wed, Sep 23
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Arrived
The flight has arrived 44m early
7h 15m
Check-in Counter
74-86
Boarding Gate
E8
Arrival Gate
Z23
Baggage
7
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Scheduled
Your flight will depart on time.
7h 15m
Check-in Counter
74-86
Boarding Gate
E10
Arrival Gate
Z23
Baggage
--
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Scheduled
Your flight will depart on time.
7h 15m
Check-in Counter
74-86
Boarding Gate
--
Arrival Gate
--
Baggage
--
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Information provided by VariFlight For real-time updates, please check airport displays or contact your airline.
LH421 Aircraft Details
According to Trip.com real-time data, the LH421 flight from Boston to Frankfurt on 9/22/2026 is operated using the aircraft model Airbus A340-300. This aircraft has been in service for 24y, 11m. The aircraft has 279 seats.
Airbus A340-300
Punctuality (Departure)
57%
Punctuality (Arrival)
97%
Early on average
16 minutes
Age
24y, 11m
Seats
279
Flight Distance
--
Economy
Business
Premium Economy
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
79 cm
Legroom
43 cm
Seat width better than on 14% of flights
100°
Reclining Angle
2-4-2
Seat layout example
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
163 cm
More legroom than on 14% of flights
52 cm
Seat width better than on 43% of flights
180°
Reclining Angle Fully reclinable
2-2-2
Seat layout example
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
--
Legroom
46 cm
Seat width
130°
Reclining Angle
2-3-2
Seat layout example
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Flight History for LH421
Trip.com historical records show that the last LH421 flight departed on Mon, Sep 21 from BOS at approximately 22:08. This flight is expected to arrrive in FRA at 10:31.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Thu, Sep 17 | Boston (BOS) | Frankfurt (FRA) | 343 | 22:38 | 10:51 | Arrived |
| Fri, Sep 18 | Boston (BOS) | Frankfurt (FRA) | 343 | 22:49 | 11:04 | Arrived |
| Sat, Sep 19 | Boston (BOS) | Frankfurt (FRA) | 343 | 22:33 | 10:54 | Arrived |
| Sun, Sep 20 | Boston (BOS) | Frankfurt (FRA) | 343 | 22:52 | 11:22 | Arrived |
| Mon, Sep 21 | Boston (BOS) | Frankfurt (FRA) | 343 | 22:08 | 10:31 | Arrived |
| Tue, Sep 22 | Boston (BOS) | Frankfurt (FRA) | 343 | 22:00 | 10:29 | Scheduled |
| Wed, Sep 23 | Boston (BOS) | Frankfurt (FRA) | 343 | 22:00 | 11:15 | Scheduled |
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LH421 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of LH421 is 57% (Late on average 27 minutes), and the on-time arrival rate is 97% (Early on average 16 minutes).
On-Time Departures
Punctuality
57%
Late on average 27 minutes
Early
0%
On time
57%
30 mins late
37%
60 mins late
7%
90 mins late
0%
Cancelled
0%
On-Time Arrivals
Punctuality
97%
Early on average 16 minutes
Early
80%
On time
17%
30 mins late
3%
60 mins late
0%
90 mins late
0%
Cancelled
0%
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Flight FAQs
What is the current status of flight lh421?
Flight lh421 has not departed yet and is currently on schedule. Scheduled departure 22:00, arrival 11:15 (updated Sep 22, 2026).Is flight lh421 on time today?
Flight lh421 has not departed yet and is currently on schedule. Scheduled departure is 22:00, with arrival at 11:15. Recheck gate and timing before you head to the airport.Has flight lh421 departed yet? What is the departure time?
Flight lh421 is scheduled to depart at 22:00. The latest actual or estimated departure time is 22:00, and the current status is Scheduled (updated Sep 22, 2026).When is flight lh421 scheduled to arrive?
Flight lh421 is scheduled to arrive at 11:15. The latest estimated or actual arrival time is 10:29. Status is Scheduled as of Sep 22, 2026.What is the gate information for flight lh421?
For flight lh421, the departure terminal is E and the boarding gate is E10. Gate assignments can change at short notice—confirm on airport screens before heading to security.What route does flight lh421 fly?
Flight lh421 is operated by Lufthansa from Boston (BOS) to Frankfurt (FRA). Typical flight time is about 7 hours 15 minutes; operating days may include Tuesday.How can I check real-time status for flight lh421?
Track flight lh421 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 lh421 is delayed or canceled, what should I do?
If lh421 is delayed or canceled, first confirm the latest status here (Scheduled, updated Sep 22, 2026). Contact Lufthansa or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight lh421 departed from Boston?
Flight lh421 has not departed from Boston (BOS) yet and is currently on schedule for 22:00.What is the seat configuration for flight lh421?
Flight lh421 usually flies a Airbus A340-300 with seat layout 2-4-2. 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: Frankfurt Weather & Current Time
Partly cloudy
|
8°C - 19°C
Weather forecast for your arrival day
6 hour time difference
Time on arrival: Boston 04:29| Frankfurt 10:29
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