WN3487

WN3487 (Southwest Airlines) is a multi-stop service on 30 routes, busiest El Paso to Houston. Of 389 departures recorded from October 2024 to July 2026, 76.0% 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 periods18 periods
PeriodDepartures 2025Departures 2026Change vs last year
January58▲ 60.0%
February7––
March1715▼ 11.8%
April106▼ 40.0%
May95▼ 44.4%
June327▼ 78.1%
July3512▼ 65.7%
August8––
September4––
October67–in progress
November58––
December61––

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 periods18 periods
PeriodOn time 2025On time 2026Change vs last year
January100.0%100.0%0.0%
February85.7%––
March75.0%73.3%▼ 2.2%
April90.0%100.0%▲ 11.1%
May88.9%100.0%▲ 12.5%
June90.6%71.4%▼ 21.2%
July91.2%58.3%▼ 36.0%
August75.0%––
September25.0%––
October62.7%–in progress
November67.2%––
December70.5%––

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 periods18 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January00–
February0––
March10▼ 100.0%
April00–
May00–
June00–
July10▼ 100.0%
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 99.5% 387
  • Cancelled 0.5% 2

Share of all recorded flights in the period, all legs. · Oct 14, 2024 → Jul 29, 2026

On time, leg by leg

  1. ELP–HOU61 90.0%
  2. SMF–LGB42 66.7%

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

Legs flown under this number

2
RoutesDistance (km)Avg delay On timeDepartures
ELP HOU El Paso International Airport – William P. Hobby Airport 1,087 2.6 min 90.0% 61
SMF LGB Sacramento International Airport – Long Beach International Airport 624 14.3 min 66.7% 42
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 22 22 90.9% 0
November 2024 1 1 100.0% 0
January 2025 5 5 100.0% 0
February 2025 7 7 85.7% 0
March 2025 17 16 75.0% 1
April 2025 10 10 90.0% 0
May 2025 9 9 88.9% 0
June 2025 32 32 90.6% 0
July 2025 35 34 91.2% 1
August 2025 8 8 75.0% 0
September 2025 4 4 25.0% 0
October 2025 67 67 62.7% 0
November 2025 58 58 67.2% 0
December 2025 61 61 70.5% 0
January 2026 8 8 100.0% 0
March 2026 15 15 73.3% 0
April 2026 6 6 100.0% 0
May 2026 5 5 100.0% 0
June 2026 7 7 71.4% 0
July 2026 12 12 58.3% 0

How to read this chart

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