| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 18 | BWI | BUF | 21:55 | 23:15 |
Cancelled
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Track > |
| Claim > | ||||||
| Jul 17 | BWI | BUF | 23:06 | 23:55 |
Landed
|
Track > |
| Jul 16 | BWI | BUF | 23:14 | 00:04 |
Landed
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Track > |
| Jul 13 | BWI | BUF | 23:18 | 00:06 |
Landed
|
Track > |
| Jul 11 | BWI | BUF | 22:46 | 23:31 |
Landed Late
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Track > |
| Jul 10 | BWI | BUF | 00:02 | 00:49 |
Landed Late
|
Track > |
| Jul 09 | BWI | BUF | 00:40 | 01:30 |
Delayed
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Track > |
| Jul 06 | BWI | BUF | 23:39 | 00:28 |
Landed
|
Track > |
| Jul 03 | BWI | BUF | 23:06 | 00:01 |
Landed
|
Track > |
| Jul 02 | BWI | BUF | 23:20 | 00:05 |
Landed
|
Track > |
Southwest Airlines Flight WN4577 connects Baltimore, United States to Buffalo, United States, taking off from Baltimore Washington International Airport BWI and landing at Buffalo Niagara International Airport BUF.
How long is the WN4577 flight from Baltimore to Buffalo?
The average flight time from Baltimore to Buffalo is 48 minutes. The flight distance is 453 km / 281 miles and the average flight speed is 538 km/h / 334 mph.
How many WN4577 flights are operated per week?
4 flights per week. The flight WN4577 is operated on Tuesday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4577 Baltimore to Buffalo?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4577 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest WN4577 flight?
The latest flight was scheduled for Sunday, July 19th, 2026 but was cancelled.
How else can the flight WN4577 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4577, WN 4577, SWA 4577.
How often is flight WN4577 delayed?
On average, 40% of all WN4577 flights are delayed. The average delay is 34 minutes.
Can I get compensation for my delayed or cancelled WN4577 flight or baggage issues?
If your WN4577 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 WN4577 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 Baltimore BWI: WN156, WN858, WN909, WN4164
Other flights arriving at Buffalo BUF: B6634, UA248, DL2334, B6715
All flights connecting Baltimore BWI to Buffalo BUF.