WN546

WN546 (Southwest Airlines) is a multi-stop service on 31 routes, busiest Orlando to Chicago. Of 632 departures recorded from October 2024 to July 2026, 85.1% 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
January3433▼ 2.9%
February3428▼ 17.6%
March3731▼ 16.2%
April3129▼ 6.5%
May3031▲ 3.3%
June2810▼ 64.3%
July249▼ 62.5%
August35––
September34––
October31–in progress
November31––
December38––
Year to date (Jan–Jul)218171▼ 21.6%

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
January94.1%75.8%▼ 19.5%
February82.4%92.6%▲ 12.4%
March94.6%80.0%▼ 15.4%
April93.6%89.7%▼ 4.2%
May90.0%83.9%▼ 6.8%
June92.6%90.0%▼ 2.8%
July91.7%44.4%▼ 51.5%
August77.1%––
September88.2%––
October80.7%–in progress
November77.4%––
December81.6%––
Year-to-date average (Jan–Jul)91.3%79.5%▼ 12.9%

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–
February01–
March01–
April00–
May00–
June10▼ 100.0%
July00–
August0––
September0––
October0–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 99.5% 629
  • Cancelled 0.5% 3

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 2026

On time, leg by leg

  1. MCO–MDW121 90.1%
  2. MDW–MCI58 82.8%
  3. ELP–HOU58 89.5%
  4. BOI–SMF57 94.7%
  5. BWI–SAT42 85.7%
  6. BWI–AUS41 73.2%
  7. SEA–OAK33 97.0%

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

Legs flown under this number

7
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 14 14 50.0% 0
November 2024 30 30 90.0% 0
December 2024 30 30 90.0% 0
January 2025 34 34 94.1% 0
February 2025 34 34 82.4% 0
March 2025 37 37 94.6% 0
April 2025 31 31 93.6% 0
May 2025 30 30 90.0% 0
June 2025 28 27 92.6% 1
July 2025 24 24 91.7% 0
August 2025 35 35 77.1% 0
September 2025 34 34 88.2% 0
October 2025 31 31 80.7% 0
November 2025 31 31 77.4% 0
December 2025 38 38 81.6% 0
January 2026 33 33 75.8% 0
February 2026 28 27 92.6% 1
March 2026 31 30 80.0% 1
April 2026 29 29 89.7% 0
May 2026 31 31 83.9% 0
June 2026 10 10 90.0% 0
July 2026 9 9 44.4% 0

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