WN3131

WN3131 (Southwest Airlines) is a multi-stop service on 21 routes, busiest Houston to Raleigh. Of 314 departures recorded from October 2024 to July 2026, 76.1% 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
January1127▲ 145.5%
February1718▲ 5.9%
March1830▲ 66.7%
April433▲ 725.0%
May134▲ 3,300.0%
June–18–
July–18–
August4––
September4––
October43–in progress
November4––
December2––

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
January81.8%85.2%▲ 4.1%
February100.0%72.2%▼ 27.8%
March88.9%83.3%▼ 6.3%
April75.0%66.7%▼ 11.1%
May0.0%73.5%–
June–61.1%–
July–61.1%–
August50.0%––
September50.0%––
October81.4%–in progress
November75.0%––
December0.0%––

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
January00–
February00–
March00–
April00–
May00–
June–0–
July–0–
August0––
September0––
October0–in progress
November0––
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 100.0% 314
  • Cancelled 0.0% 0

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

On time, leg by leg

  1. HOU–RDU66 77.3%
  2. DEN–SAN47 80.9%
  3. SMF–SAN33 75.8%
  4. SAN–OMA33 60.6%
  5. IND–MCI31 83.9%

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

Legs flown under this number

5
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 12 12 83.3% 0
November 2024 6 6 100.0% 0
December 2024 10 10 60.0% 0
January 2025 11 11 81.8% 0
February 2025 17 17 100.0% 0
March 2025 18 18 88.9% 0
April 2025 4 4 75.0% 0
May 2025 1 1 0.0% 0
August 2025 4 4 50.0% 0
September 2025 4 4 50.0% 0
October 2025 43 43 81.4% 0
November 2025 4 4 75.0% 0
December 2025 2 2 0.0% 0
January 2026 27 27 85.2% 0
February 2026 18 18 72.2% 0
March 2026 30 30 83.3% 0
April 2026 33 33 66.7% 0
May 2026 34 34 73.5% 0
June 2026 18 18 61.1% 0
July 2026 18 18 61.1% 0

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