WN1903

WN1903 (Southwest Airlines) is a multi-stop service on 29 routes, busiest Long Beach to Houston. Of 666 departures recorded from October 2024 to July 2026, 76.2% 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
January2627▲ 3.8%
February1127▲ 145.5%
March2831▲ 10.7%
April3040▲ 33.3%
May3044▲ 46.7%
June3031▲ 3.3%
July3231▼ 3.1%
August60––
September65––
October14–in progress
November11––
December16––
Year to date (Jan–Jul)187231▲ 23.5%

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
January92.0%88.9%▼ 3.4%
February90.9%81.5%▼ 10.4%
March64.3%83.9%▲ 30.5%
April76.7%82.5%▲ 7.6%
May63.3%77.3%▲ 22.0%
June56.7%96.8%▲ 70.8%
July75.0%90.3%▲ 20.4%
August41.7%––
September67.7%––
October69.2%–in progress
November81.8%––
December100.0%––
Year-to-date average (Jan–Jul)74.1%85.9%▲ 15.8%

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
January10▼ 100.0%
February00–
March00–
April00–
May00–
June00–
July00–
August0––
September0––
October1–in progress
November0––
December0––
Year to date (Jan–Jul)10▼ 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 99.7% 664
  • Cancelled 0.3% 2

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026

On time, leg by leg

  1. LGB–HOU92 92.3%
  2. ABQ–PHX60 65.0%
  3. HNL–ITO58 93.1%
  4. OAK–SBA58 77.6%
  5. HOU–MCI53 84.9%
  6. SAT–ELP42 64.3%
  7. TUL–HOU33 87.9%
  8. MDW–MCO33 66.7%

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

Legs flown under this number

9
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 22 22 81.8% 0
November 2024 30 30 93.3% 0
December 2024 30 30 86.7% 0
January 2025 26 25 92.0% 1
February 2025 11 11 90.9% 0
March 2025 28 28 64.3% 0
April 2025 30 30 76.7% 0
May 2025 30 30 63.3% 0
June 2025 30 30 56.7% 0
July 2025 32 32 75.0% 0
August 2025 60 60 41.7% 0
September 2025 65 65 67.7% 0
October 2025 14 13 69.2% 1
November 2025 11 11 81.8% 0
December 2025 16 16 100.0% 0
January 2026 27 27 88.9% 0
February 2026 27 27 81.5% 0
March 2026 31 31 83.9% 0
April 2026 40 40 82.5% 0
May 2026 44 44 77.3% 0
June 2026 31 31 96.8% 0
July 2026 31 31 90.3% 0

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