Possible delays for WN 4358 (STL→MCO, BWI→ROC, ROC→MCO) as of 6:47 PM ET. It arrived on time 88.5% of the time in June-August 2026. When it was late, the average delay was 23 minutes. None were cancelled. MCO has delays (RWY:Disabled Aircraft, 16 minutes to 30 minutes (increasing)).
May not fly today
Leg 1 of 3 (STL → MCO): Next leg STL → MCO, scheduled 5:05 AM local time. No delays at STL right now, and it usually runs on time. This flight number flew about 5 days a week in June-August 2026, so it may not operate today.
Cancellation risk: Medium 0% of its flights were cancelled in June-August 2026; MCO 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 |
|---|---|---|
| STL → MCO St. Louis, MO to Orlando, FL | 5:05 AM → 8:25 AM | 92% |
| BWI → ROC Baltimore, MD to Rochester, NY | 10:55 AM → 12:15 PM | 86% |
| ROC → MCO Rochester, NY to Orlando, FL | 12:55 PM → 3:40 PM | 89% |
Local times. Schedules change; check your booking.
How reliable is WN 4358?
| Arrived on time (within 15 min) | 88.5% |
| Average delay when late | 23 min |
| Cancelled | 0% |
| Diverted | 3.3% |
| Flights tracked | 90 |
Best and worst days to fly WN 4358
WN 4358 was most reliable on Tuesdays (100% on time) and least reliable on Sundays (77%).
| 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 STL → MCO
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 4358 delayed today?
MCO has delays (RWY:Disabled Aircraft, 16 minutes to 30 minutes (increasing)). Checked 6:47 PM ET. For this flight's gate and exact status, check the Southwest app.
Is WN 4358 usually on time?
WN 4358 arrived within 15 minutes of schedule 88.5% of the time in June-August 2026, with an average delay of 23 minutes when late.
How often is WN 4358 cancelled?
0% of WN 4358 flights were cancelled in June-August 2026.