Possible delays for WN 603 (BNA→MCO, PBI→BWI, BNA→MYR) as of 6:47 PM ET. It arrived on time 60.2% of the time in June-August 2026. When it was late, the average delay was 49 minutes. None were cancelled. MCO has delays (RWY:Disabled Aircraft, 16 minutes to 30 minutes (increasing)).
May not fly today
Leg 3 of 3 (BNA → MYR): Next leg BNA → MYR, scheduled 6:50 PM local time. No delays at BNA right now. 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 |
|---|---|---|
| BNA → MCO Nashville, TN to Orlando, FL | 12:10 PM → 3:10 PM | 64% |
| PBI → BWI West Palm Beach/Palm Beach, FL to Baltimore, MD | 12:30 PM → 2:55 PM | 75% |
| BNA → MYR Nashville, TN to Myrtle Beach, SC | 6:50 PM → 9:25 PM | 58% |
Local times. Schedules change; check your booking.
How reliable is WN 603?
| Arrived on time (within 15 min) | 60.2% |
| Average delay when late | 49 min |
| Cancelled | 0% |
| Diverted | 1.1% |
| Flights tracked | 94 |
Best and worst days to fly WN 603
WN 603 was most reliable on Mondays (71% on time) and least reliable on Sundays (46%).
| 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 BNA → MYR
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 603 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 603 usually on time?
WN 603 arrived within 15 minutes of schedule 60.2% of the time in June-August 2026, with an average delay of 49 minutes when late.
How often is WN 603 cancelled?
0% of WN 603 flights were cancelled in June-August 2026.