WN4011

WN4011 (Southwest Airlines) is a multi-stop service on 26 routes, busiest El Paso to Dallas. Of 489 departures recorded from October 2024 to July 2026, 77.1% 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 periods18 periods
PeriodDepartures 2025Departures 2026Change vs last year
January826▲ 225.0%
February720▲ 185.7%
March2130▲ 42.9%
April3630▼ 16.7%
May4031▼ 22.5%
June2823▼ 17.9%
July2630▲ 15.4%
August3––
September–––
October38–in progress
November12––
December38––
Year to date (Jan–Jul)166190▲ 14.5%

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
January75.0%100.0%▲ 33.3%
February100.0%83.3%▼ 16.7%
March47.6%55.2%▲ 15.9%
April70.6%96.7%▲ 36.9%
May59.0%96.8%▲ 64.1%
June67.9%91.3%▲ 34.5%
July76.9%76.7%▼ 0.3%
August0.0%––
September–––
October68.4%–in progress
November100.0%––
December84.2%––
Year-to-date average (Jan–Jul)71.0%85.7%▲ 20.7%

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
January02–
February02–
March01–
April20▼ 100.0%
May10▼ 100.0%
June00–
July00–
August0––
September–––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)35▲ 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 98.4% 481
  • Cancelled 1.6% 8

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

On time, leg by leg

  1. ELP–DAL58 69.6%
  2. RNO–LAS57 96.5%
  3. MSY–HOU51 64.7%
  4. SNA–DEN42 95.2%
  5. MDW–TPA33 62.5%
  6. LAS–MAF31 67.7%

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

Legs flown under this number

6
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 13 13 100.0% 0
November 2024 16 16 75.0% 0
December 2024 13 13 69.2% 0
January 2025 8 8 75.0% 0
February 2025 7 7 100.0% 0
March 2025 21 21 47.6% 0
April 2025 36 34 70.6% 2
May 2025 40 39 59.0% 1
June 2025 28 28 67.9% 0
July 2025 26 26 76.9% 0
August 2025 3 3 0.0% 0
October 2025 38 38 68.4% 0
November 2025 12 12 100.0% 0
December 2025 38 38 84.2% 0
January 2026 26 24 100.0% 2
February 2026 20 18 83.3% 2
March 2026 30 29 55.2% 1
April 2026 30 30 96.7% 0
May 2026 31 31 96.8% 0
June 2026 23 23 91.3% 0
July 2026 30 30 76.7% 0

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