No delays reported for WN 888 (LAS→MCI, DAL→MEM, BOS→DEN) as of 6:47 PM ET. It arrived on time 69.6% of the time in June-August 2026. When it was late, the average delay was 1h 4m. None were cancelled. Right now there are no reported delays at LAS, MCI, DAL, MEM, BOS, DEN.
May not fly today
Leg 3 of 3 (BOS → DEN): Should be in the air from BOS, scheduled to land at DEN at 7:25 PM local time. This flight number flew about 3 days a week in June-August 2026, so it may not operate today.
Cancellation risk: Low 0% of its flights were cancelled in June-August 2026.
Estimate from the schedule, live position and airport conditions, if this flight operates today. Check Southwest for official times.
What to do now
Some links are affiliate links.
Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| LAS → MCI Las Vegas, NV to Kansas City, MO | 6:45 AM → 11:30 AM | 94% |
| DAL → MEM Dallas, TX to Memphis, TN | 12:25 PM → 1:50 PM | 80% |
| BOS → DEN Boston, MA to Denver, CO | 4:45 PM → 7:25 PM | 56% |
Local times. Schedules change; check your booking.
How reliable is WN 888?
| Arrived on time (within 15 min) | 69.6% |
| Average delay when late | 64 min |
| Cancelled | 0% |
| Diverted | 0% |
| Flights tracked | 112 |
Best and worst days to fly WN 888
WN 888 was most reliable on Fridays (85% on time) and least reliable on Wednesdays (38%).
| Monday | |
| Tuesday | |
| Wednesday | |
| Thursday | |
| Friday | |
| Saturday | |
| Sunday |
Why it runs late
| Late-arriving plane | |
| Airline (crew, maintenance) | |
| Air traffic system | |
| Extreme weather |
Share of delay minutes by cause, as reported by Southwest to the Department of Transportation.
Live status at its airports
We show airport-wide airport status, not this flight's gate or live position. For that, check the Southwest app.
Southwest delays and what you're owed · Airline phone numbers
About this data
On-time history: U.S. Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, June-August 2026. Live conditions: live airport status. "On time" means arriving within 15 minutes of schedule.
Common questions
Is WN 888 delayed today?
Right now there are no reported delays at LAS, MCI, DAL, MEM, BOS, DEN. Checked 6:47 PM ET. For this flight's gate and exact status, check the Southwest app.
Is WN 888 usually on time?
WN 888 arrived within 15 minutes of schedule 69.6% of the time in June-August 2026, with an average delay of 64 minutes when late.
How often is WN 888 cancelled?
0% of WN 888 flights were cancelled in June-August 2026.