WN1946

WN1946 (Southwest Airlines) is a multi-stop service on 26 routes, busiest San Jose to Phoenix. Of 624 departures recorded from October 2024 to July 2026, 79.1% 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
January2847▲ 67.9%
February1837▲ 105.6%
March1833▲ 83.3%
April2530▲ 20.0%
May3431▼ 8.8%
June2914▼ 51.7%
July3112▼ 61.3%
August31––
September30––
October30–in progress
November28––
December29––
Year to date (Jan–Jul)183204▲ 11.5%

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
January85.7%91.5%▲ 6.7%
February88.9%75.7%▼ 14.9%
March100.0%61.3%▼ 38.7%
April92.0%56.7%▼ 38.4%
May88.2%25.8%▼ 70.8%
June79.3%71.4%▼ 9.9%
July64.5%63.6%▼ 1.4%
August93.6%––
September90.0%––
October96.7%–in progress
November96.4%––
December67.9%––
Year-to-date average (Jan–Jul)85.5%63.7%▼ 25.5%

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
January00–
February00–
March12▲ 100.0%
April00–
May00–
June00–
July01–
August0––
September0––
October0–in progress
November0––
December1––
Year to date (Jan–Jul)13▲ 200.0%

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 99.0% 618
  • Cancelled 1.0% 6

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 29, 2026

On time, leg by leg

  1. SJC–PHX107 84.9%
  2. BDL–BNA61 70.5%
  3. SJC–LGB58 86.2%
  4. DEN–MEM58 41.4%
  5. BZN–DEN46 80.4%
  6. OKC–MDW40 97.5%
  7. CMH–MDW33 54.8%
  8. MDW–DCA32 78.1%

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

Legs flown under this number

8
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 29 29 82.8% 0
November 2024 29 29 89.7% 0
December 2024 31 30 76.7% 1
January 2025 28 28 85.7% 0
February 2025 18 18 88.9% 0
March 2025 18 17 100.0% 1
April 2025 25 25 92.0% 0
May 2025 34 34 88.2% 0
June 2025 29 29 79.3% 0
July 2025 31 31 64.5% 0
August 2025 31 31 93.6% 0
September 2025 30 30 90.0% 0
October 2025 30 30 96.7% 0
November 2025 28 28 96.4% 0
December 2025 29 28 67.9% 1
January 2026 47 47 91.5% 0
February 2026 37 37 75.7% 0
March 2026 33 31 61.3% 2
April 2026 30 30 56.7% 0
May 2026 31 31 25.8% 0
June 2026 14 14 71.4% 0
July 2026 12 11 63.6% 1

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