WN997

WN997 (Southwest Airlines) is a multi-stop service on 28 routes, busiest San Jose to Portland. Of 647 departures recorded from October 2024 to July 2026, 76.4% 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
January3111▼ 64.5%
February2821▼ 25.0%
March3529▼ 17.1%
April3133▲ 6.5%
May3135▲ 12.9%
June2034▲ 70.0%
July1735▲ 105.9%
August42––
September43––
October32–in progress
November33––
December33––
Year to date (Jan–Jul)193198▲ 2.6%

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
January93.6%90.9%▼ 2.8%
February89.3%66.7%▼ 25.3%
March85.7%93.1%▲ 8.6%
April77.4%54.6%▼ 29.5%
May80.7%48.6%▼ 39.8%
June85.0%66.7%▼ 21.6%
July100.0%47.1%▼ 52.9%
August81.0%––
September67.4%––
October87.5%–in progress
November72.7%––
December69.7%––
Year-to-date average (Jan–Jul)87.4%66.8%▼ 23.6%

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–
March00–
April00–
May00–
June01–
July01–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)02

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 99.7% 645
  • Cancelled 0.3% 2

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

On time, leg by leg

  1. SJC–PDX103 92.2%
  2. BNA–CMH59 69.5%
  3. MCO–ATL58 81.0%
  4. LAS–MSY57 49.1%
  5. BWI–MDW51 55.1%
  6. CHS–BNA50 70.0%
  7. BNA–DAL36 94.4%
  8. CMH–RSW34 94.1%

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

Legs flown under this number

11
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 11 11 100.0% 0
November 2024 30 30 96.7% 0
December 2024 32 32 75.0% 0
January 2025 31 31 93.6% 0
February 2025 28 28 89.3% 0
March 2025 35 35 85.7% 0
April 2025 31 31 77.4% 0
May 2025 31 31 80.7% 0
June 2025 20 20 85.0% 0
July 2025 17 17 100.0% 0
August 2025 42 42 81.0% 0
September 2025 43 43 67.4% 0
October 2025 32 32 87.5% 0
November 2025 33 33 72.7% 0
December 2025 33 33 69.7% 0
January 2026 11 11 90.9% 0
February 2026 21 21 66.7% 0
March 2026 29 29 93.1% 0
April 2026 33 33 54.6% 0
May 2026 35 35 48.6% 0
June 2026 34 33 66.7% 1
July 2026 35 34 47.1% 1

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