WN4568

WN4568 (Southwest Airlines) is a multi-stop service on 24 routes, busiest Chicago to Detroit. Of 428 departures recorded from October 2024 to July 2026, 70.4% 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
January223▼ 86.4%
February1710▼ 41.2%
March2428▲ 16.7%
April266▼ 76.9%
May271▼ 96.3%
June3127▼ 12.9%
July2831▲ 10.7%
August9––
September4––
October13–in progress
November26––
December22––
Year to date (Jan–Jul)175106▼ 39.4%

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
January59.1%66.7%▲ 12.8%
February64.7%77.8%▲ 20.2%
March70.8%40.7%▼ 42.5%
April42.3%66.7%▲ 57.6%
May44.4%100.0%▲ 125.0%
June83.9%100.0%▲ 19.2%
July82.1%100.0%▲ 21.7%
August55.6%––
September75.0%––
October53.9%–in progress
November65.4%––
December63.6%––
Year-to-date average (Jan–Jul)63.9%78.8%▲ 23.4%

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
January00–
February01–
March01–
April00–
May00–
June00–
July00–
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 99.5% 426
  • Cancelled 0.5% 2

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

On time, leg by leg

  1. MDW–DTW85 67.1%
  2. CLE–BNA58 100.0%
  3. DEN–BNA50 40.0%
  4. DAL–SAT45 71.1%
  5. SMF–PDX44 84.1%
  6. TPA–DCA33 43.8%

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 22 22 95.5% 0
November 2024 27 27 77.8% 0
December 2024 24 24 66.7% 0
January 2025 22 22 59.1% 0
February 2025 17 17 64.7% 0
March 2025 24 24 70.8% 0
April 2025 26 26 42.3% 0
May 2025 27 27 44.4% 0
June 2025 31 31 83.9% 0
July 2025 28 28 82.1% 0
August 2025 9 9 55.6% 0
September 2025 4 4 75.0% 0
October 2025 13 13 53.9% 0
November 2025 26 26 65.4% 0
December 2025 22 22 63.6% 0
January 2026 3 3 66.7% 0
February 2026 10 9 77.8% 1
March 2026 28 27 40.7% 1
April 2026 6 6 66.7% 0
May 2026 1 1 100.0% 0
June 2026 27 27 100.0% 0
July 2026 31 31 100.0% 0

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