WN1206

WN1206 (Southwest Airlines) is a multi-stop service on 31 routes, busiest Denver to Phoenix. Of 736 departures recorded from October 2024 to July 2026, 77.2% 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
January3331▼ 6.1%
February2028▲ 40.0%
March2231▲ 40.9%
April4630▼ 34.8%
May5931▼ 47.5%
June3240▲ 25.0%
July3142▲ 35.5%
August27––
September26––
October31–in progress
November31––
December31––
Year to date (Jan–Jul)243233▼ 4.1%

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
January87.9%87.1%▼ 0.9%
February95.0%100.0%▲ 5.3%
March95.5%27.6%▼ 71.1%
April66.7%86.7%▲ 30.0%
May79.7%90.3%▲ 13.4%
June75.0%55.0%▼ 26.7%
July56.7%59.5%▲ 5.0%
August85.2%––
September88.5%––
October93.6%–in progress
November74.2%––
December58.1%––
Year-to-date average (Jan–Jul)79.5%72.3%▼ 9.0%

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
January00–
February00–
March02–
April10▼ 100.0%
May00–
June00–
July10▼ 100.0%
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)220.0%

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 99.3% 731
  • Cancelled 0.7% 5

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 2026

On time, leg by leg

  1. DEN–PHX113 94.7%
  2. MCI–DAL64 67.2%
  3. BWI–MHT57 93.0%
  4. BNA–MSY52 62.8%
  5. DEN–SLC50 90.0%
  6. LAX–DAL42 78.1%
  7. MCO–BDL33 25.8%
  8. BNA–MCO31 93.6%

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

Legs flown under this number

8
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 80.0% 0
November 2024 55 55 81.8% 0
December 2024 39 38 94.7% 1
January 2025 33 33 87.9% 0
February 2025 20 20 95.0% 0
March 2025 22 22 95.5% 0
April 2025 46 45 66.7% 1
May 2025 59 59 79.7% 0
June 2025 32 32 75.0% 0
July 2025 31 30 56.7% 1
August 2025 27 27 85.2% 0
September 2025 26 26 88.5% 0
October 2025 31 31 93.6% 0
November 2025 31 31 74.2% 0
December 2025 31 31 58.1% 0
January 2026 31 31 87.1% 0
February 2026 28 28 100.0% 0
March 2026 31 29 27.6% 2
April 2026 30 30 86.7% 0
May 2026 31 31 90.3% 0
June 2026 40 40 55.0% 0
July 2026 42 42 59.5% 0

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