WN4723

WN4723 (Southwest Airlines) is a multi-stop service on 16 routes, busiest Dallas to Austin. Of 303 departures recorded from April 2025 to July 2026, 73.6% 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 periods14 periods
PeriodDepartures 2025Departures 2026Change vs last year
January–27–
February–41–
March–10–
April231▼ 95.7%
May30––
June3032▲ 6.7%
July3135▲ 12.9%
August7––
September4––
October––in progress
November8––
December24––

according to the US BTS · April 2025 → 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 periods14 periods
PeriodOn time 2025On time 2026Change vs last year
January–73.1%–
February–80.5%–
March–50.0%–
April90.5%100.0%▲ 10.5%
May86.2%––
June53.3%87.5%▲ 64.1%
July58.1%88.6%▲ 52.5%
August57.1%––
September25.0%––
October––in progress
November87.5%––
December54.2%––

according to the US BTS · April 2025 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · April 2025 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods14 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January–1–
February–0–
March–0–
April20▼ 100.0%
May1––
June00–
July00–
August0––
September0––
October––in progress
November0––
December0––

according to the US BTS · April 2025 → 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 98.7% 299
  • Cancelled 1.3% 4

Share of all recorded flights in the period, all legs. · Apr 8, 2025 → Jul 31, 2026

On time, leg by leg

  1. DAL–AUS58 75.4%
  2. STL–DAL57 87.0%
  3. BNA–MKE43 53.5%

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

Legs flown under this number

3
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
April 2025 23 21 90.5% 2
May 2025 30 29 86.2% 1
June 2025 30 30 53.3% 0
July 2025 31 31 58.1% 0
August 2025 7 7 57.1% 0
September 2025 4 4 25.0% 0
November 2025 8 8 87.5% 0
December 2025 24 24 54.2% 0
January 2026 27 26 73.1% 1
February 2026 41 41 80.5% 0
March 2026 10 10 50.0% 0
April 2026 1 1 100.0% 0
June 2026 32 32 87.5% 0
July 2026 35 35 88.6% 0

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