Possible delays for WN 852 (MDW→RDU, BNA→MCO, TPA→DCA) as of 6:47 PM ET. It arrived on time 76.3% of the time in June-August 2026. When it was late, the average delay was 44 minutes. 1% of flights were cancelled. MCO has delays (RWY:Disabled Aircraft, 16 minutes to 30 minutes (increasing)).
May not fly today
Leg 1 of 3 (MDW → RDU): Next leg MDW → RDU, scheduled 7:40 AM local time. No delays at MDW right now. 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; 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 |
|---|---|---|
| MDW → RDU Chicago, IL to Raleigh/Durham, NC | 7:40 AM → 10:35 AM | 89% |
| BNA → MCO Nashville, TN to Orlando, FL | 8:15 AM → 11:05 AM | 58% |
| TPA → DCA Tampa, FL to Washington, DC | 3:25 PM → 5:50 PM | 36% |
Local times. Schedules change; check your booking.
How reliable is WN 852?
| Arrived on time (within 15 min) | 76.3% |
| Average delay when late | 44 min |
| Cancelled | 1% |
| Diverted | 1% |
| Flights tracked | 99 |
Best and worst days to fly WN 852
WN 852 was most reliable on Fridays (92% on time) and least reliable on Tuesdays (62%).
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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 MDW → RDU
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 852 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 852 usually on time?
WN 852 arrived within 15 minutes of schedule 76.3% of the time in June-August 2026, with an average delay of 44 minutes when late.
How often is WN 852 cancelled?
1% of WN 852 flights were cancelled in June-August 2026.