WN1256

WN1256 (Southwest Airlines) is a multi-stop service on 31 routes, busiest Long Beach to Dallas. Of 644 departures recorded from October 2024 to July 2026, 86.8% 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
January4426▼ 40.9%
February4424▼ 45.5%
March3330▼ 9.1%
April2730▲ 11.1%
May2531▲ 24.0%
June3027▼ 10.0%
July3124▼ 22.6%
August28––
September26––
October39–in progress
November19––
December15––
Year to date (Jan–Jul)234192▼ 17.9%

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
January100.0%65.4%▼ 34.6%
February97.7%83.3%▼ 14.7%
March87.9%82.8%▼ 5.8%
April96.3%96.7%▲ 0.4%
May92.0%93.6%▲ 1.7%
June96.7%77.8%▼ 19.5%
July93.3%75.0%▼ 19.6%
August96.2%––
September96.2%––
October43.6%–in progress
November94.7%––
December93.3%––
Year-to-date average (Jan–Jul)94.8%82.1%▼ 13.5%

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
January20▼ 100.0%
February00–
March01–
April00–
May00–
June00–
July10▼ 100.0%
August2––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)31▼ 66.7%

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 99.1% 638
  • Cancelled 0.9% 6

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 2026

On time, leg by leg

  1. LGB–DAL106 90.4%
  2. HNL–OGG61 93.3%
  3. CLE–STL58 93.1%
  4. SJC–BUR50 97.9%
  5. BWI–DEN49 95.9%
  6. HOU–MSY42 71.4%
  7. ATL–LAS36 94.4%
  8. HNL–LAX32 87.1%

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 30 30 86.7% 0
November 2024 31 31 96.8% 0
December 2024 30 30 70.0% 0
January 2025 44 42 100.0% 2
February 2025 44 44 97.7% 0
March 2025 33 33 87.9% 0
April 2025 27 27 96.3% 0
May 2025 25 25 92.0% 0
June 2025 30 30 96.7% 0
July 2025 31 30 93.3% 1
August 2025 28 26 96.2% 2
September 2025 26 26 96.2% 0
October 2025 39 39 43.6% 0
November 2025 19 19 94.7% 0
December 2025 15 15 93.3% 0
January 2026 26 26 65.4% 0
February 2026 24 24 83.3% 0
March 2026 30 29 82.8% 1
April 2026 30 30 96.7% 0
May 2026 31 31 93.6% 0
June 2026 27 27 77.8% 0
July 2026 24 24 75.0% 0

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