Likely delayed: there are delays at WN 2158's airports as of 6:47 PM ET. It arrived on time 67.5% of the time in June-August 2026. When it was late, the average delay was 1h 26m. 3.3% 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 (LAS → DEN): Should be in the air from LAS, scheduled to land at DEN at 5:15 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.
3.3% 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 STL → DENThis flight is cancelled often; a refundable backup costs little
What to do now
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| STL → AUS St. Louis, MO to Austin, TX | 8:25 AM → 10:25 AM | 88% |
| JAX → BWI Jacksonville, FL to Baltimore, MD | 2:15 PM → 4:10 PM | 67% |
| LAS → DEN Las Vegas, NV to Denver, CO | 2:20 PM → 5:15 PM | 43% |
Local times. Schedules change; check your booking.
How reliable is WN 2158?
| Arrived on time (within 15 min) | 67.5% |
| Average delay when late | 86 min |
| Cancelled | 3.3% |
| Diverted | 1.7% |
| Flights tracked | 120 |
Best and worst days to fly WN 2158
WN 2158 was most reliable on Sundays (83% on time) and least reliable on Thursdays (54%).
| 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 JAX → BWI
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 2158 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 2158 usually on time?
WN 2158 arrived within 15 minutes of schedule 67.5% of the time in June-August 2026, with an average delay of 86 minutes when late.
How often is WN 2158 cancelled?
3.3% of WN 2158 flights were cancelled in June-August 2026.