| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 08 | BOS | BUF | 18:59 | 20:46 |
Scheduled
|
Track > |
| Aug 07 | BOS | BUF | 20:00 | 21:48 |
Scheduled
|
Track > |
| Aug 06 | BOS | BUF | 20:00 | 21:48 |
Delayed
|
Track > |
| Aug 05 | BOS | BUF | 20:00 | 21:48 |
Delayed
|
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Republic Airlines Flight YX4439 connects Boston, United States to Buffalo, United States, taking off from Boston Logan International Airport BOS and landing at Buffalo Niagara International Airport BUF.
How many YX4439 flights are operated per week?
3 flights per week. The flight YX4439 is operated on Thursday, Friday and Saturday.
What is the On-Time Performance (OTP) of Republic Airlines Flight YX4439 Boston to Buffalo?
The Airportia On-Time Performance Rating for Republic Airlines Flight YX4439 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest YX4439 flight?
The latest flight took off on Sunday, August 9th, 2026 with the flight status being Scheduled on 20:46.
How else can the flight YX4439 be referenced as?
This Republic Airlines flight can also be referenced as RPA4439, YX 4439, RPA 4439.
How often is flight YX4439 delayed?
On average, 0% of all YX4439 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled YX4439 flight or baggage issues?
If your YX4439 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 YX4439 Flight Tracker above for more details.
Flight YX4439 is code-shared by 1 airline using the flight number IB8649
Other flights departing from Boston BOS: B62269, DL973, B6817, YX5679
Other flights arriving at Buffalo BUF: B61586, F93262, PT9654, WN940
All flights connecting Boston BOS to Buffalo BUF.