WN3577

WN3577 (Southwest Airlines) is a multi-stop service on 22 routes, busiest Orlando to Denver. Of 417 departures recorded from October 2024 to July 2026, 67.6% 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
January630▲ 400.0%
February828▲ 250.0%
March3919▼ 51.3%
April3421▼ 38.2%
May3121▼ 32.3%
June1211▼ 8.3%
July880.0%
August29––
September30––
October5–in progress
November19––
December17––
Year to date (Jan–Jul)1381380.0%

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
January33.3%70.0%▲ 110.0%
February75.0%42.9%▼ 42.9%
March61.5%94.7%▲ 53.9%
April73.5%38.1%▼ 48.2%
May96.8%14.3%▼ 85.2%
June75.0%63.6%▼ 15.1%
July62.5%37.5%▼ 40.0%
August72.4%––
September93.3%––
October60.0%–in progress
November68.4%––
December94.1%––
Year-to-date average (Jan–Jul)68.2%51.6%▼ 24.4%

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–
March00–
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)00

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 100.0% 417
  • Cancelled 0.0% 0

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 26, 2026

On time, leg by leg

  1. SJU–MCO58 55.2%
  2. OGG–HNL58 96.6%
  3. MCO–DEN58 84.5%
  4. OAK–SAN42 23.8%

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

Legs flown under this number

4
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 6 6 100.0% 0
November 2024 12 12 66.7% 0
December 2024 23 23 60.9% 0
January 2025 6 6 33.3% 0
February 2025 8 8 75.0% 0
March 2025 39 39 61.5% 0
April 2025 34 34 73.5% 0
May 2025 31 31 96.8% 0
June 2025 12 12 75.0% 0
July 2025 8 8 62.5% 0
August 2025 29 29 72.4% 0
September 2025 30 30 93.3% 0
October 2025 5 5 60.0% 0
November 2025 19 19 68.4% 0
December 2025 17 17 94.1% 0
January 2026 30 30 70.0% 0
February 2026 28 28 42.9% 0
March 2026 19 19 94.7% 0
April 2026 21 21 38.1% 0
May 2026 21 21 14.3% 0
June 2026 11 11 63.6% 0
July 2026 8 8 37.5% 0

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