WN419

WN419 (Southwest Airlines) is a multi-stop service on 42 routes, busiest Denver to Chicago. Of 702 departures recorded from October 2024 to July 2026, 75.8% 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
January3537▲ 5.7%
February2836▲ 28.6%
March3128▼ 9.7%
April3029▼ 3.3%
May3032▲ 6.7%
June1830▲ 66.7%
July1831▲ 72.2%
August35––
September34––
October31–in progress
November43––
December35––
Year to date (Jan–Jul)190223▲ 17.4%

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
January80.0%74.3%▼ 7.1%
February71.4%80.6%▲ 12.8%
March67.7%71.4%▲ 5.4%
April93.3%89.7%▼ 3.9%
May83.3%59.4%▼ 28.7%
June100.0%76.7%▼ 23.3%
July83.3%80.7%▼ 3.2%
August65.7%––
September79.4%––
October54.8%–in progress
November85.4%––
December77.1%––
Year-to-date average (Jan–Jul)82.7%76.1%▼ 8.0%

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–
July00–
August0––
September0––
October0–in progress
November2––
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 99.3% 697
  • Cancelled 0.7% 5

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

On time, leg by leg

  1. DEN–MDW91 82.2%
  2. ATL–MCO59 83.1%
  3. MKE–AUS49 93.9%
  4. PHL–MDW47 65.2%
  5. AUS–ONT42 76.2%
  6. SRQ–CMH34 88.2%
  7. MCO–MKE33 66.7%

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

Legs flown under this number

7
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 29 29 86.2% 0
November 2024 36 35 80.0% 1
December 2024 46 46 50.0% 0
January 2025 35 35 80.0% 0
February 2025 28 28 71.4% 0
March 2025 31 31 67.7% 0
April 2025 30 30 93.3% 0
May 2025 30 30 83.3% 0
June 2025 18 18 100.0% 0
July 2025 18 18 83.3% 0
August 2025 35 35 65.7% 0
September 2025 34 34 79.4% 0
October 2025 31 31 54.8% 0
November 2025 43 41 85.4% 2
December 2025 35 35 77.1% 0
January 2026 37 35 74.3% 2
February 2026 36 36 80.6% 0
March 2026 28 28 71.4% 0
April 2026 29 29 89.7% 0
May 2026 32 32 59.4% 0
June 2026 30 30 76.7% 0
July 2026 31 31 80.7% 0

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