WN23

WN23 (Southwest Airlines) is a multi-stop service on 13 routes, busiest Dallas to Houston. Of 280 departures recorded from October 2024 to July 2026, 83.8% 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 periods17 periods
PeriodDepartures 2025Departures 2026Change vs last year
January–4–
February–1–
March828▲ 250.0%
April235▲ 1,650.0%
May239▲ 1,850.0%
June825▲ 212.5%
July836▲ 350.0%
August19––
September21––
October1–in progress
November4––
December18––

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 periods17 periods
PeriodOn time 2025On time 2026Change vs last year
January–100.0%–
February–100.0%–
March75.0%81.5%▲ 8.6%
April100.0%85.7%▼ 14.3%
May100.0%79.5%▼ 20.5%
June100.0%66.7%▼ 33.3%
July100.0%80.6%▼ 19.4%
August84.2%––
September81.0%––
October100.0%–in progress
November100.0%––
December88.2%––

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 periods17 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January–0–
February–0–
March01–
April00–
May00–
June01–
July00–
August0––
September0––
October0–in progress
November0––
December1––

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 98.9% 277
  • Cancelled 1.1% 3

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

Legs flown under this number

1
RoutesDistance (km)Avg delay On timeDepartures
DAL HOU Dallas Love Field – William P. Hobby Airport 386 7.0 min 83.0% 150
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 19 19 94.7% 0
November 2024 2 2 100.0% 0
March 2025 8 8 75.0% 0
April 2025 2 2 100.0% 0
May 2025 2 2 100.0% 0
June 2025 8 8 100.0% 0
July 2025 8 8 100.0% 0
August 2025 19 19 84.2% 0
September 2025 21 21 81.0% 0
October 2025 1 1 100.0% 0
November 2025 4 4 100.0% 0
December 2025 18 17 88.2% 1
January 2026 4 4 100.0% 0
February 2026 1 1 100.0% 0
March 2026 28 27 81.5% 1
April 2026 35 35 85.7% 0
May 2026 39 39 79.5% 0
June 2026 25 24 66.7% 1
July 2026 36 36 80.6% 0

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