Likely delayed: there are delays at WN 3736's airports as of 6:47 PM ET. It arrived on time 37.1% of the time in June-August 2026. When it was late, the average delay was 59 minutes. None were cancelled. SFO has major delays (wind, max 5 hours and 41 minutes); MCO has delays (RWY:Disabled Aircraft, 16 minutes to 30 minutes (increasing)), so this flight is likely to be delayed.
May not fly today
Leg 2 of 3 (SLC → DAL): Next leg SLC → DAL, scheduled 7:20 PM local time. No delays at SLC 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; SFO, 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 |
|---|---|---|
| DEN → SFO Denver, CO to San Francisco, CA | 9:35 AM → 11:15 AM | 17% |
| SLC → DAL Salt Lake City, UT to Dallas, TX | 7:20 PM → 10:55 PM | 41% |
| DAL → MCO Dallas, TX to Orlando, FL | 8:25 PM → 12:10 AM | 33% |
Local times. Schedules change; check your booking.
How reliable is WN 3736?
| Arrived on time (within 15 min) | 37.1% |
| Average delay when late | 59 min |
| Cancelled | 0% |
| Diverted | 1% |
| Flights tracked | 98 |
Best and worst days to fly WN 3736
WN 3736 was most reliable on Mondays (47% on time) and least reliable on Wednesdays (0%).
| 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 SLC → DAL
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 3736 delayed today?
SFO has major delays (wind, max 5 hours and 41 minutes); MCO has delays (RWY:Disabled Aircraft, 16 minutes to 30 minutes (increasing)), 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 3736 usually on time?
WN 3736 arrived within 15 minutes of schedule 37.1% of the time in June-August 2026, with an average delay of 59 minutes when late.
How often is WN 3736 cancelled?
0% of WN 3736 flights were cancelled in June-August 2026.