WN853

WN853 (Southwest Airlines) is a multi-stop service on 27 routes, busiest Milwaukee to Orlando. Of 676 departures recorded from October 2024 to July 2026, 76.7% 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
January3129▼ 6.5%
February2824▼ 14.3%
March3519▼ 45.7%
April3935▼ 10.3%
May39390.0%
June32320.0%
July31310.0%
August19––
September17––
October22–in progress
November30––
December47––
Year to date (Jan–Jul)235209▼ 11.1%

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%100.0%▲ 6.9%
February96.4%100.0%▲ 3.7%
March94.3%52.6%▼ 44.2%
April69.2%94.3%▲ 36.2%
May56.8%82.1%▲ 44.6%
June56.3%56.3%0.0%
July51.6%64.5%▲ 25.0%
August84.2%––
September100.0%––
October68.2%–in progress
November78.6%––
December64.4%––
Year-to-date average (Jan–Jul)74.0%78.5%▲ 6.1%

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–
March00–
April00–
May20▼ 100.0%
June00–
July00–
August0––
September0––
October0–in progress
November2––
December2––
Year to date (Jan–Jul)21▼ 50.0%

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% 669
  • Cancelled 1.0% 7

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

On time, leg by leg

  1. MKE–MCO123 91.1%
  2. BUR–SMF57 59.7%
  3. BDL–BWI54 84.6%
  4. HOU–ATL50 84.0%
  5. AUS–IND50 100.0%
  6. BWI–HOU42 37.5%
  7. MSY–AUS34 44.1%
  8. SAV–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 34 34 70.6% 0
November 2024 32 32 87.5% 0
December 2024 31 31 83.9% 0
January 2025 31 31 93.6% 0
February 2025 28 28 96.4% 0
March 2025 35 35 94.3% 0
April 2025 39 39 69.2% 0
May 2025 39 37 56.8% 2
June 2025 32 32 56.3% 0
July 2025 31 31 51.6% 0
August 2025 19 19 84.2% 0
September 2025 17 17 100.0% 0
October 2025 22 22 68.2% 0
November 2025 30 28 78.6% 2
December 2025 47 45 64.4% 2
January 2026 29 28 100.0% 1
February 2026 24 24 100.0% 0
March 2026 19 19 52.6% 0
April 2026 35 35 94.3% 0
May 2026 39 39 82.1% 0
June 2026 32 32 56.3% 0
July 2026 31 31 64.5% 0

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