| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 14 | BOS | DEN | 12:50 | 15:06 |
Landed
|
Track > |
| Jun 07 | BOS | DEN | 12:59 | 14:47 |
Landed
|
Track > |
Southwest Airlines Flight WN1221 connects Boston, United States to Denver, United States, taking off from Boston Logan International Airport BOS and landing at Denver International Airport DEN.
How long is the WN1221 flight from Boston to Denver?
The average flight time from Boston to Denver is 4 hours and 2 minutes. The flight distance is 2816 km / 1749 miles and the average flight speed is 700 km/h / 435 mph.
How many WN1221 flights are operated per week?
1 flight per week. The flight WN1221 is operated on Sunday.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN1221 Boston to Denver?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN1221 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest WN1221 flight?
The latest flight took off on Sunday, June 14th, 2026 with the flight status being Landed on 15:06.
How else can the flight WN1221 be referenced as?
This Southwest Airlines flight can also be referenced as SWA1221, WN 1221, SWA 1221.
How often is flight WN1221 delayed?
On average, 50% of all WN1221 flights are delayed. The average delay is 1 minute.
Can I get compensation for my delayed or cancelled WN1221 flight or baggage issues?
If your WN1221 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 WN1221 Flight Tracker above for more details.
Other flights departing from Boston BOS: DL5706, LF7652, AA1057, AA909
Other flights arriving at Denver DEN: AA1735, WN2226, UA4686, WN3062
All flights connecting Boston BOS to Denver DEN.