Likely delayed: there are delays at WN 454's airports as of 6:47 PM ET. It arrived on time 61.1% of the time in June-August 2026. When it was late, the average delay was 57 minutes. None were cancelled. SFO has major delays (wind, max 5 hours and 41 minutes); AUS has major delays (runway construction, max 3 hours and 3 minutes), so this flight is likely to be delayed.
High cancellation risk
Leg 1 of 3 (MDW → PHX): Should be in the air from MDW, scheduled to land at PHX at 7:00 PM local time. This flight number flew about 5 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 MDW → AUSThis flight is cancelled often; a refundable backup costs little
What to do now
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| MDW → PHX Chicago, IL to Phoenix, AZ | 5:20 PM → 7:00 PM | 71% |
| MDW → SFO Chicago, IL to San Francisco, CA | 9:10 PM → 11:45 PM | 42% |
| BNA → AUS Nashville, TN to Austin, TX | 10:35 PM → 12:45 AM | 53% |
Local times. Schedules change; check your booking.
How reliable is WN 454?
| Arrived on time (within 15 min) | 61.1% |
| Average delay when late | 57 min |
| Cancelled | 0% |
| Diverted | 0% |
| Flights tracked | 95 |
Best and worst days to fly WN 454
WN 454 was most reliable on Wednesdays (69% on time) and least reliable on Tuesdays (50%).
| Monday | |
| Tuesday | |
| Wednesday | |
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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 454 delayed today?
SFO has major delays (wind, max 5 hours and 41 minutes); AUS has major delays (runway construction, max 3 hours and 3 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 454 usually on time?
WN 454 arrived within 15 minutes of schedule 61.1% of the time in June-August 2026, with an average delay of 57 minutes when late.
How often is WN 454 cancelled?
0% of WN 454 flights were cancelled in June-August 2026.