Likely delayed: there are delays at WN 2728's airports as of 6:47 PM ET. It arrived on time 82% of the time in June-August 2026. When it was late, the average delay was 38 minutes. 1.1% of flights were cancelled. AUS has major delays (runway construction, max 3 hours and 3 minutes), so this flight is likely to be delayed.
High cancellation risk
Leg 3 of 3 (LBB → HOU): Should be in the air from LBB, scheduled to land at HOU at 7:00 PM local time. This flight number flew about 4 days a week in June-August 2026, so it may not operate today. Line up a backup option.
1.1% of its flights were cancelled in June-August 2026; AUS 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 SMF → HOUThis flight is cancelled often; a refundable backup costs little
What to do now
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| SMF → MDW Sacramento, CA to Chicago, IL | 5:15 AM → 11:10 AM | 90% |
| MDW → AUS Chicago, IL to Austin, TX | 11:50 AM → 2:25 PM | 64% |
| LBB → HOU Lubbock, TX to Houston, TX | 5:25 PM → 7:00 PM | 75% |
Local times. Schedules change; check your booking.
How reliable is WN 2728?
| Arrived on time (within 15 min) | 82% |
| Average delay when late | 38 min |
| Cancelled | 1.1% |
| Diverted | 0% |
| Flights tracked | 90 |
Best and worst days to fly WN 2728
WN 2728 was most reliable on Tuesdays (100% on time) and least reliable on Thursdays (75%).
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| 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 SMF → MDW
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 2728 delayed today?
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 2728 usually on time?
WN 2728 arrived within 15 minutes of schedule 82% of the time in June-August 2026, with an average delay of 38 minutes when late.
How often is WN 2728 cancelled?
1.1% of WN 2728 flights were cancelled in June-August 2026.