Possible delays for WN 4544 (MCO→ISP, DAL→SAV, HOU→LGA) as of 6:51 PM ET. It arrived on time 77.6% of the time in June-August 2026. When it was late, the average delay was 53 minutes. None were cancelled. MCO has delays (RWY:Disabled Aircraft, 16 minutes to 30 minutes (increasing)).
High cancellation risk
Leg 3 of 3 (HOU → LGA): Not seen in the air yet, 187 min after its scheduled 2:45 PM departure from HOU. It may be delayed, out of receiver range, or not flying today. This flight number flew about 3 days a week in June-August 2026, so it may not operate today. Line up a backup option.
0% of its flights were cancelled in June-August 2026; MCO has major delays; rough weather at HOU.
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).
Book a backup seat MCO → LGAThis flight is cancelled often; a refundable backup costs little
What to do now
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| MCO → ISP Orlando, FL to Islip, NY | 7:55 AM → 10:30 AM | 92% |
| DAL → SAV Dallas, TX to Savannah, GA | 12:40 PM → 3:55 PM | 50% |
| HOU → LGA Houston, TX to New York, NY | 2:45 PM → 7:20 PM | 50% |
Local times. Schedules change; check your booking.
How reliable is WN 4544?
| Arrived on time (within 15 min) | 77.6% |
| Average delay when late | 53 min |
| Cancelled | 0% |
| Diverted | 3.3% |
| Flights tracked | 60 |
Best and worst days to fly WN 4544
WN 4544 was most reliable on Thursdays (100% on time) and least reliable on Tuesdays (43%).
| Monday | |
| Tuesday | |
| Wednesday | |
| Thursday | |
| Friday | |
| Saturday | |
| Sunday | Too few flights |
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 MCO → ISP
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 4544 delayed today?
MCO has delays (RWY:Disabled Aircraft, 16 minutes to 30 minutes (increasing)). Checked 6:51 PM ET. For this flight's gate and exact status, check the Southwest app.
Is WN 4544 usually on time?
WN 4544 arrived within 15 minutes of schedule 77.6% of the time in June-August 2026, with an average delay of 53 minutes when late.
How often is WN 4544 cancelled?
0% of WN 4544 flights were cancelled in June-August 2026.