WN3476

WN3476 (Southwest Airlines) is a multi-stop service on 15 routes, busiest Miami to Chicago. Of 368 departures recorded from October 2024 to July 2026, 64.7% left on time, according to the US BTS.

Recorded departures by month

All legs under this number combined; see the leg table.

Months without data are left blank.

The most recent periods18 periods
PeriodDepartures 2025Departures 2026Change vs last year
January293▼ 89.7%
February26––
March427▲ 575.0%
April330▲ 900.0%
May431▲ 675.0%
June19190.0%
July2217▼ 22.7%
August10––
September8––
October8–in progress
November36––
December24––

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

Months without data are left blank.

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods18 periods
PeriodOn time 2025On time 2026Change vs last year
January79.3%100.0%▲ 26.1%
February65.4%––
March50.0%88.9%▲ 77.8%
April66.7%60.0%▼ 10.0%
May100.0%48.4%▼ 51.6%
June79.0%21.1%▼ 73.3%
July59.1%11.8%▼ 80.1%
August80.0%––
September100.0%––
October75.0%–in progress
November75.0%––
December79.2%––

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods18 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January00–
February0––
March00–
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––

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 100.0% 368
  • Cancelled 0.0% 0

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

On time, leg by leg

  1. MIA–MDW96 64.6%
  2. BWI–ORF58 46.6%
  3. LGB–LAS41 75.6%
  4. PIT–TPA33 90.9%

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

Legs flown under this number

4
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 10 10 80.0% 0
November 2024 21 21 57.1% 0
December 2024 17 17 47.1% 0
January 2025 29 29 79.3% 0
February 2025 26 26 65.4% 0
March 2025 4 4 50.0% 0
April 2025 3 3 66.7% 0
May 2025 4 4 100.0% 0
June 2025 19 19 79.0% 0
July 2025 22 22 59.1% 0
August 2025 10 10 80.0% 0
September 2025 8 8 100.0% 0
October 2025 8 8 75.0% 0
November 2025 36 36 75.0% 0
December 2025 24 24 79.2% 0
January 2026 3 3 100.0% 0
March 2026 27 27 88.9% 0
April 2026 30 30 60.0% 0
May 2026 31 31 48.4% 0
June 2026 19 19 21.1% 0
July 2026 17 17 11.8% 0

How to read this chart

Loading the guide…