| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 04 | BOS | FRA | 18:31 | 06:48 |
En-Route
|
Track > |
| Jun 03 | BOS | FRA | 18:18 | 06:51 |
Landed
|
Track > |
| Jun 02 | BOS | FRA | 18:27 | 06:40 |
Landed
|
Track > |
| Jun 01 | BOS | FRA | 18:54 | 07:03 |
Landed
|
Track > |
| May 31 | BOS | FRA | 21:07 | 09:25 |
Delayed
|
Track > |
| May 30 | BOS | FRA | 20:12 | 08:38 |
Delayed
|
Track > |
| May 29 | BOS | FRA | 18:55 | 07:32 |
Landed Late
|
Track > |
| May 28 | BOS | FRA | 19:58 | 08:26 |
Delayed
|
Track > |
| May 27 | BOS | FRA | 18:52 | 07:30 |
Landed Late
|
Track > |
| May 26 | BOS | FRA | 19:42 | 08:30 |
Delayed
|
Track > |
Lufthansa Flight LH423 connects Boston, United States to Frankfurt, Germany, taking off from Boston Logan International Airport BOS and landing at Frankfurt Airport FRA.
How long is the LH423 flight from Boston to Frankfurt?
The average flight time from Boston to Frankfurt is 6 hours and 26 minutes. The flight distance is 5888 km / 3658 miles and the average flight speed is 914 km/h / 568 mph.
How many LH423 flights are operated per week?
6 flights per week. The flight LH423 is operated on Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday.
What is the On-Time Performance (OTP) of Lufthansa Flight LH423 Boston to Frankfurt?
The Airportia On-Time Performance Rating for Lufthansa Flight LH423 is 4.1/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight LH423 arriving at?
Flight LH423 arrives at Frankfurt Airport (FRA) Terminal 1.
When was the latest LH423 flight?
The latest flight took off on Friday, June 5th, 2026 with the flight status being En-Route on 06:48.
How else can the flight LH423 be referenced as?
This Lufthansa flight can also be referenced as DLH423, LH0423, LH 423, DLH 423.
How often is flight LH423 delayed?
On average, 80% of all LH423 flights are delayed. The average delay is 69 minutes.
Can I get compensation for my delayed or cancelled LH423 flight or baggage issues?
If your LH423 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 LH423 Flight Tracker above for more details.
Flight LH423 is code-shared by 4 airlines using the flight numbers UA8852, AC9452, SN7239, TG7745
Other flights departing from Boston BOS: AA1592, AA4390, WN737, DL8879
Other flights arriving at Frankfurt FRA: CI61, CA965, LH569, EY121
All flights connecting Boston BOS to Frankfurt FRA.
