No delays reported for WN 4900 (LAX→STL, ABQ→MDW, LAS→BUR) as of 6:51 PM ET. It arrived on time 79.2% of the time in June-August 2026. When it was late, the average delay was 1h 7m. None were cancelled. Right now there are no reported delays at LAX, STL, ABQ, MDW, LAS, BUR.
Not seen yet
Leg 3 of 3 (LAS → BUR): Not seen in the air yet, 32 min after its scheduled 3:20 PM departure from LAS. It may be delayed, out of receiver range, or not flying today. This flight number flew about 4 days a week in June-August 2026, so it may not operate today.
Cancellation risk: Low 0% of its flights were cancelled in June-August 2026.
Estimate from the schedule, live position and airport conditions, if this flight operates today. Check Southwest for official times. Live position: adsb.lol (open data, ODbL).
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| LAX → STL Los Angeles, CA to St. Louis, MO | 6:35 AM → 12:10 PM | 88% |
| ABQ → MDW Albuquerque, NM to Chicago, IL | 7:40 AM → 11:20 AM | 50% |
| LAS → BUR Las Vegas, NV to Burbank, CA | 3:20 PM → 4:35 PM | 44% |
Local times. Schedules change; check your booking.
How reliable is WN 4900?
| Arrived on time (within 15 min) | 79.2% |
| Average delay when late | 67 min |
| Cancelled | 0% |
| Diverted | 0% |
| Flights tracked | 72 |
Best and worst days to fly WN 4900
WN 4900 was most reliable on Saturdays (100% on time) and least reliable on Sundays (44%).
| 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 LAX → STL
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 4900 delayed today?
Right now there are no reported delays at LAX, STL, ABQ, MDW, LAS, BUR. Checked 6:51 PM ET. For this flight's gate and exact status, check the Southwest app.
Is WN 4900 usually on time?
WN 4900 arrived within 15 minutes of schedule 79.2% of the time in June-August 2026, with an average delay of 67 minutes when late.
How often is WN 4900 cancelled?
0% of WN 4900 flights were cancelled in June-August 2026.