WN4160

WN4160 (Southwest Airlines) is a multi-stop service on 24 routes, busiest Santa Ana to Sacramento. Of 531 departures recorded from October 2024 to July 2026, 68.1% 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
January4610▼ 78.3%
February431▼ 97.7%
March3315▼ 54.5%
April714▲ 100.0%
May116▲ 1,500.0%
June1660▲ 275.0%
July1669▲ 331.3%
August29––
September30––
October1–in progress
November27––
December31––
Year to date (Jan–Jul)162185▲ 14.2%

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
January95.7%77.8%▼ 18.7%
February95.4%0.0%▼ 100.0%
March93.9%73.3%▼ 21.9%
April100.0%28.6%▼ 71.4%
May0.0%12.5%–
June40.0%26.7%▼ 33.3%
July50.0%40.6%▼ 18.8%
August89.7%––
September93.3%––
October100.0%–in progress
November85.2%––
December87.1%––
Year-to-date average (Jan–Jul)67.8%37.1%▼ 45.4%

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
January01–
February00–
March00–
April00–
May00–
June10▼ 100.0%
July20▼ 100.0%
August0––
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 99.2% 527
  • Cancelled 0.8% 4

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026

On time, leg by leg

  1. SNA–SMF105 86.7%
  2. PIT–HOU63 85.7%
  3. RNO–DEN57 93.0%
  4. SAN–LAS42 26.2%
  5. DEN–SAN41 36.6%
  6. HNL–LIH32 93.8%

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 4 4 75.0% 0
November 2024 25 25 88.0% 0
December 2024 37 37 67.6% 0
January 2025 46 46 95.7% 0
February 2025 43 43 95.4% 0
March 2025 33 33 93.9% 0
April 2025 7 7 100.0% 0
May 2025 1 1 0.0% 0
June 2025 16 15 40.0% 1
July 2025 16 14 50.0% 2
August 2025 29 29 89.7% 0
September 2025 30 30 93.3% 0
October 2025 1 1 100.0% 0
November 2025 27 27 85.2% 0
December 2025 31 31 87.1% 0
January 2026 10 9 77.8% 1
February 2026 1 1 0.0% 0
March 2026 15 15 73.3% 0
April 2026 14 14 28.6% 0
May 2026 16 16 12.5% 0
June 2026 60 60 26.7% 0
July 2026 69 69 40.6% 0

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