Likely delayed: there are delays at WN 450's airports as of 6:47 PM ET. It arrived on time 45.1% of the time in June-August 2026. When it was late, the average delay was 44 minutes. None were cancelled. AUS has major delays (runway construction, max 3 hours and 3 minutes); SFO has major delays (wind, max 5 hours and 41 minutes), so this flight is likely to be delayed.
High cancellation risk
Leg 3 of 3 (SAN → SFO): Next leg SAN → SFO, scheduled 7:25 PM local time. No delays at SAN right now. This flight number flew about 3 days a week in June-August 2026, so it may not operate today. Line up a backup option.
0% of its flights were cancelled in June-August 2026; AUS, SFO has major delays; rough weather at AUS.
Estimate from the schedule, live position and airport conditions, if this flight operates today. Check Southwest for official times.
Book a backup seat DEN → SFOThis flight is cancelled often; a refundable backup costs little
What to do now
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| DEN → LGA Denver, CO to New York, NY | 9:10 AM → 2:50 PM | 55% |
| BNA → AUS Nashville, TN to Austin, TX | 11:30 AM → 1:40 PM | 65% |
| SAN → SFO San Diego, CA to San Francisco, CA | 7:25 PM → 9:00 PM | 6% |
Local times. Schedules change; check your booking.
How reliable is WN 450?
| Arrived on time (within 15 min) | 45.1% |
| Average delay when late | 44 min |
| Cancelled | 0% |
| Diverted | 1.9% |
| Flights tracked | 104 |
Best and worst days to fly WN 450
WN 450 was most reliable on Thursdays (92% on time) and least reliable on Wednesdays (15%).
| Monday | |
| Tuesday | |
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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.
Other flights BNA → AUS
All flights on this route, ranked
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 450 delayed today?
AUS has major delays (runway construction, max 3 hours and 3 minutes); SFO has major delays (wind, max 5 hours and 41 minutes), so this flight is likely to be delayed. Checked 6:47 PM ET. For this flight's gate and exact status, check the Southwest app.
Is WN 450 usually on time?
WN 450 arrived within 15 minutes of schedule 45.1% of the time in June-August 2026, with an average delay of 44 minutes when late.
How often is WN 450 cancelled?
0% of WN 450 flights were cancelled in June-August 2026.