WN3217

WN3217 (Southwest Airlines) is a multi-stop service on 27 routes, busiest Sacramento to Ontario. Of 473 departures recorded from October 2024 to July 2026, 74.3% 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
January927▲ 200.0%
February1728▲ 64.7%
March2331▲ 34.8%
April2830▲ 7.1%
May3231▼ 3.1%
June430▲ 650.0%
July131▲ 3,000.0%
August33––
September38––
October17–in progress
November16––
December6––
Year to date (Jan–Jul)114208▲ 82.5%

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
January88.9%96.2%▲ 8.2%
February82.4%78.6%▼ 4.6%
March78.3%50.0%▼ 36.1%
April75.0%73.3%▼ 2.2%
May50.0%48.4%▼ 3.2%
June50.0%46.4%▼ 7.1%
July100.0%55.2%▼ 44.8%
August100.0%––
September94.7%––
October100.0%–in progress
November87.5%––
December83.3%––
Year-to-date average (Jan–Jul)74.9%64.0%▼ 14.6%

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
January01–
February00–
March01–
April00–
May00–
June02–
July02–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)06

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 98.7% 467
  • Cancelled 1.3% 6

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

On time, leg by leg

  1. SMF–ONT58 96.6%
  2. PHL–BNA57 47.2%
  3. MDW–ATL57 59.7%
  4. DEN–BUR50 54.0%
  5. TPA–HOU33 53.1%
  6. SRQ–DEN33 97.0%

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 9 9 88.9% 0
November 2024 17 17 76.5% 0
December 2024 15 15 86.7% 0
January 2025 9 9 88.9% 0
February 2025 17 17 82.4% 0
March 2025 23 23 78.3% 0
April 2025 28 28 75.0% 0
May 2025 32 32 50.0% 0
June 2025 4 4 50.0% 0
July 2025 1 1 100.0% 0
August 2025 33 33 100.0% 0
September 2025 38 38 94.7% 0
October 2025 17 17 100.0% 0
November 2025 16 16 87.5% 0
December 2025 6 6 83.3% 0
January 2026 27 26 96.2% 1
February 2026 28 28 78.6% 0
March 2026 31 30 50.0% 1
April 2026 30 30 73.3% 0
May 2026 31 31 48.4% 0
June 2026 30 28 46.4% 2
July 2026 31 29 55.2% 2

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