| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 22 | BOS | PRG | 20:43 | 09:58 |
Delayed
|
Track > |
| Jun 21 | BOS | PRG | 20:14 | 05:42 |
En-Route
|
Track > |
| Jun 20 | BOS | PRG | 21:25 | 05:43 |
Unknown
|
Track > |
| Jun 18 | BOS | PRG | 23:30 | 12:31 |
Unknown
|
Track > |
Smartwings Flight QS4409 connects Boston, United States to Prague, Czech Republic, taking off from Boston Logan International Airport BOS and landing at Prague Vaclav Havel Airport PRG.
How long is the QS4409 flight from Boston to Prague?
The average flight time from Boston to Prague is 7 hours and 15 minutes. The flight distance is 6251 km / 3884 miles and the average flight speed is 824 km/h / 512 mph.
What is the On-Time Performance (OTP) of Smartwings Flight QS4409 Boston to Prague?
The Airportia On-Time Performance Rating for Smartwings Flight QS4409 is 3.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest QS4409 flight?
The latest flight took off on Tuesday, June 23rd, 2026 with the flight status being En-Route on 09:58.
How else can the flight QS4409 be referenced as?
This Smartwings flight can also be referenced as TVS4409, QS 4409, TVS 4409.
How often is flight QS4409 delayed?
On average, 25% of all QS4409 flights are delayed. The average delay is 255 minutes.
Can I get compensation for my delayed or cancelled QS4409 flight or baggage issues?
If your QS4409 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 QS4409 Flight Tracker above for more details.
Claim compensation for your flight delay or cancellation!
Flight delays happen, but that doesn’t mean you have to accept them. You may be entitled to as much as 600€ in compensation if your flight has been delayed, cancelled or overbooked within the last three years. Claim Compensation Now >
Other flights departing from Boston BOS: WN1053, UA440, UA1017, 9K2071
Other flights arriving at Prague PRG: QS2683, QS2721, QS2619, FR4070
All flights connecting Boston BOS to Prague PRG.