WN28

WN28 (Southwest Airlines) is a multi-stop service on 23 routes, busiest Houston to Dallas. Of 647 departures recorded from October 2024 to July 2026, 79.4% 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 periods17 periods
PeriodDepartures 2025Departures 2026Change vs last year
January2615▼ 42.3%
February2438▲ 58.3%
March4612▼ 73.9%
April451▼ 97.8%
May38––
June35––
July288▼ 71.4%
August87––
September92––
October71–in progress
November15––
December4––

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
January87.0%92.3%▲ 6.2%
February87.5%73.7%▼ 15.8%
March91.3%58.3%▼ 36.1%
April82.5%100.0%▲ 21.2%
May66.7%––
June69.7%––
July75.0%25.0%▼ 66.7%
August77.7%––
September89.1%––
October76.1%–in progress
November78.6%––
December75.0%––

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
January32▼ 33.3%
February00–
March00–
April50▼ 100.0%
May2––
June2––
July00–
August2––
September0––
October0–in progress
November1––
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 97.4% 630
  • Cancelled 2.6% 17

Share of all recorded flights in the period, all legs. · Oct 15, 2024 → Jul 29, 2026

On time, leg by leg

  1. HOU–DAL325 78.4%
  2. HRL–HOU32 93.8%

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

Legs flown under this number

2
RoutesDistance (km)Avg delay On timeDepartures
HOU DAL William P. Hobby Airport – Dallas Love Field 386 12.8 min 78.4% 325
HRL HOU Valley International Airport – William P. Hobby Airport 446 1.8 min 93.8% 32
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 6 6 100.0% 0
November 2024 34 34 76.5% 0
December 2024 22 22 81.8% 0
January 2025 26 23 87.0% 3
February 2025 24 24 87.5% 0
March 2025 46 46 91.3% 0
April 2025 45 40 82.5% 5
May 2025 38 36 66.7% 2
June 2025 35 33 69.7% 2
July 2025 28 28 75.0% 0
August 2025 87 85 77.7% 2
September 2025 92 92 89.1% 0
October 2025 71 71 76.1% 0
November 2025 15 14 78.6% 1
December 2025 4 4 75.0% 0
January 2026 15 13 92.3% 2
February 2026 38 38 73.7% 0
March 2026 12 12 58.3% 0
April 2026 1 1 100.0% 0
July 2026 8 8 25.0% 0

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