WN3557

WN3557 (Southwest Airlines) is a multi-stop service on 18 routes, busiest San Juan to Orlando. Of 415 departures recorded from October 2024 to July 2026, 71.5% left on time, according to the US BTS.

Recorded departures by month

All legs under this number combined; see the leg table.

The most recent periods19 periods
PeriodDepartures 2025Departures 2026Change vs last year
January317▼ 77.4%
February2818▼ 35.7%
March529▲ 480.0%
April1217▲ 41.7%
May1813▼ 27.8%
June1025▲ 150.0%
July927▲ 200.0%
August6––
September4––
October34–in progress
November21––
December30––
Year to date (Jan–Jul)113136▲ 20.4%

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods19 periods
PeriodOn time 2025On time 2026Change vs last year
January67.7%71.4%▲ 5.4%
February75.0%61.1%▼ 18.5%
March75.0%51.9%▼ 30.9%
April100.0%52.9%▼ 47.1%
May83.3%46.2%▼ 44.6%
June40.0%80.0%▲ 100.0%
July88.9%96.3%▲ 8.3%
August83.3%––
September100.0%––
October45.5%–in progress
November85.7%––
December93.3%––
Year-to-date average (Jan–Jul)75.7%65.7%▼ 13.2%

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined
The most recent periods19 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January00–
February00–
March12▲ 100.0%
April00–
May00–
June00–
July00–
August0––
September0––
October1–in progress
November0––
December0––
Year to date (Jan–Jul)12▲ 100.0%

according to the US BTS · October 2024 → July 2026

This is not a forecast

This is a historical record of departures already flown, not a forecast for your flight.

This number flies several legs

Several legs: the headline figure averages all of them. See the leg table.

Cancellation share

  • Not cancelled 99.0% 411
  • Cancelled 1.0% 4

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026

On time, leg by leg

  1. SJU–MCO123 67.2%
  2. SAT–BNA50 90.0%
  3. PHX–MKE33 51.6%
  4. BNA–DEN32 90.6%
  5. MCO–DAL30 48.3%

Departures within 15 minutes of schedule; small figure = departures recorded.

Legs flown under this number

5
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 10 10 100.0% 0
November 2024 29 29 79.3% 0
December 2024 32 32 50.0% 0
January 2025 31 31 67.7% 0
February 2025 28 28 75.0% 0
March 2025 5 4 75.0% 1
April 2025 12 12 100.0% 0
May 2025 18 18 83.3% 0
June 2025 10 10 40.0% 0
July 2025 9 9 88.9% 0
August 2025 6 6 83.3% 0
September 2025 4 4 100.0% 0
October 2025 34 33 45.5% 1
November 2025 21 21 85.7% 0
December 2025 30 30 93.3% 0
January 2026 7 7 71.4% 0
February 2026 18 18 61.1% 0
March 2026 29 27 51.9% 2
April 2026 17 17 52.9% 0
May 2026 13 13 46.2% 0
June 2026 25 25 80.0% 0
July 2026 27 27 96.3% 0

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