WN4756

WN4756 (Southwest Airlines) is a multi-stop service on 25 routes, busiest Nashville to New Orleans. Of 302 departures recorded from October 2024 to July 2026, 74.4% left on time, according to the US BTS.

Recorded departures by month

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

Months without data are left blank.

The most recent periods16 periods
PeriodDepartures 2025Departures 2026Change vs last year
January342▼ 94.1%
February288▼ 71.4%
March20200.0%
April48▲ 100.0%
May–5–
June–23–
July–27–
August20––
September22––
October5–in progress
November4––
December9––

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

Months without data are left blank.

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

The most recent periods16 periods
PeriodOn time 2025On time 2026Change vs last year
January67.7%100.0%▲ 47.6%
February85.7%85.7%0.0%
March85.0%73.7%▼ 13.3%
April75.0%75.0%0.0%
May–80.0%–
June–60.9%–
July–59.3%–
August80.0%––
September77.3%––
October40.0%–in progress
November75.0%––
December77.8%––

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods16 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January30▼ 100.0%
February01–
March01–
April00–
May–0–
June–0–
July–0–
August0––
September0––
October0–in progress
November0––
December0––

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 98.3% 297
  • Cancelled 1.7% 5

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026

On time, leg by leg

  1. BNA–MSY114 77.5%
  2. HOU–MSY50 60.0%

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

Legs flown under this number

2
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 10 10 70.0% 0
November 2024 25 25 76.0% 0
December 2024 28 28 82.1% 0
January 2025 34 31 67.7% 3
February 2025 28 28 85.7% 0
March 2025 20 20 85.0% 0
April 2025 4 4 75.0% 0
August 2025 20 20 80.0% 0
September 2025 22 22 77.3% 0
October 2025 5 5 40.0% 0
November 2025 4 4 75.0% 0
December 2025 9 9 77.8% 0
January 2026 2 2 100.0% 0
February 2026 8 7 85.7% 1
March 2026 20 19 73.7% 1
April 2026 8 8 75.0% 0
May 2026 5 5 80.0% 0
June 2026 23 23 60.9% 0
July 2026 27 27 59.3% 0

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