Likely delayed: there are delays at WN 3126's airports as of 6:47 PM ET. It arrived on time 53.1% of the time in June-August 2026. When it was late, the average delay was 59 minutes. 1% of flights were cancelled. SFO has major delays (wind, max 5 hours and 41 minutes), so this flight is likely to be delayed.
May not fly today
Leg 3 of 3 (OMA → BNA): Should be in the air from OMA, scheduled to land at BNA at 6:00 PM local time. This flight number flew about 3 days a week in June-August 2026, so it may not operate today.
Cancellation risk: Medium 1% of its flights were cancelled in June-August 2026; SFO has major delays.
Estimate from the schedule, live position and airport conditions, if this flight operates today. Check Southwest for official times.
What to do now
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| SFO → LAX San Francisco, CA to Los Angeles, CA | 11:30 AM → 1:05 PM | 27% |
| LAX → TUS Los Angeles, CA to Tucson, AZ | 1:45 PM → 3:10 PM | 42% |
| OMA → BNA Omaha, NE to Nashville, TN | 4:15 PM → 6:00 PM | 58% |
Local times. Schedules change; check your booking.
How reliable is WN 3126?
| Arrived on time (within 15 min) | 53.1% |
| Average delay when late | 59 min |
| Cancelled | 1% |
| Diverted | 0% |
| Flights tracked | 97 |
Best and worst days to fly WN 3126
WN 3126 was most reliable on Fridays (69% on time) and least reliable on Mondays (35%).
| Monday | |
| Tuesday | |
| Wednesday | |
| Thursday | |
| Friday | |
| Saturday | Too few flights |
| 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.
Other flights OMA → BNA
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 3126 delayed today?
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 3126 usually on time?
WN 3126 arrived within 15 minutes of schedule 53.1% of the time in June-August 2026, with an average delay of 59 minutes when late.
How often is WN 3126 cancelled?
1% of WN 3126 flights were cancelled in June-August 2026.