WN3199

WN3199 (Southwest Airlines) is a multi-stop service on 35 routes, busiest Seattle to Oakland. Of 743 departures recorded from October 2024 to July 2026, 76.6% 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
January4827▼ 43.8%
February3521▼ 40.0%
March3310▼ 69.7%
April2765▲ 140.7%
May2582▲ 228.0%
June5634▼ 39.3%
July6231▼ 50.0%
August11––
September4––
October34–in progress
November11––
December16––
Year to date (Jan–Jul)286270▼ 5.6%

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
January89.6%92.0%▲ 2.7%
February91.4%81.0%▼ 11.5%
March90.9%70.0%▼ 23.0%
April66.7%78.5%▲ 17.7%
May68.0%63.4%▼ 6.8%
June91.1%44.1%▼ 51.6%
July72.1%56.7%▼ 21.4%
August54.6%––
September0.0%––
October81.8%–in progress
November81.8%––
December75.0%––
Year-to-date average (Jan–Jul)81.4%69.4%▼ 14.8%

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
January02–
February00–
March00–
April00–
May00–
June00–
July110.0%
August0––
September0––
October1–in progress
November0––
December0––
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 99.1% 736
  • Cancelled 0.9% 7

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

On time, leg by leg

  1. SEA–OAK95 89.4%
  2. OAK–LAX73 93.1%
  3. PDX–DEN50 36.7%
  4. AUS–PIT49 67.4%
  5. BNA–AUS47 88.9%
  6. MDW–SDF42 85.7%
  7. DEN–MSY42 76.2%
  8. PIT–MDW33 90.9%

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

Legs flown under this number

9
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 11 11 72.7% 0
November 2024 44 42 95.2% 2
December 2024 56 56 80.4% 0
January 2025 48 48 89.6% 0
February 2025 35 35 91.4% 0
March 2025 33 33 90.9% 0
April 2025 27 27 66.7% 0
May 2025 25 25 68.0% 0
June 2025 56 56 91.1% 0
July 2025 62 61 72.1% 1
August 2025 11 11 54.6% 0
September 2025 4 4 0.0% 0
October 2025 34 33 81.8% 1
November 2025 11 11 81.8% 0
December 2025 16 16 75.0% 0
January 2026 27 25 92.0% 2
February 2026 21 21 81.0% 0
March 2026 10 10 70.0% 0
April 2026 65 65 78.5% 0
May 2026 82 82 63.4% 0
June 2026 34 34 44.1% 0
July 2026 31 30 56.7% 1

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