WN3897

WN3897 (Southwest Airlines) is a multi-stop service on 19 routes, busiest Denver to Orlando. Of 506 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
January314▼ 87.1%
February264▼ 84.6%
March2628▲ 7.7%
April1822▲ 22.2%
May1923▲ 21.1%
June1928▲ 47.4%
July2330▲ 30.4%
August29––
September30––
October30–in progress
November20––
December26––
Year to date (Jan–Jul)162139▼ 14.2%

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
January61.3%50.0%▼ 18.4%
February73.1%66.7%▼ 8.8%
March76.0%60.7%▼ 20.1%
April72.2%68.2%▼ 5.6%
May94.7%56.5%▼ 40.3%
June79.0%25.0%▼ 68.3%
July65.2%40.0%▼ 38.7%
August82.8%––
September96.7%––
October90.0%–in progress
November75.0%––
December80.8%––
Year-to-date average (Jan–Jul)74.5%52.4%▼ 29.6%

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–
March10▼ 100.0%
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)110.0%

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 99.4% 503
  • Cancelled 0.6% 3

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

On time, leg by leg

  1. DEN–MCO119 69.5%
  2. STL–BWI57 31.6%
  3. OGG–HNL50 96.0%
  4. MDW–PVD43 69.8%
  5. DJT–BNA33 63.6%
  6. SLC–MDW30 90.0%

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 11 11 90.9% 0
November 2024 28 27 88.9% 1
December 2024 31 31 58.1% 0
January 2025 31 31 61.3% 0
February 2025 26 26 73.1% 0
March 2025 26 25 76.0% 1
April 2025 18 18 72.2% 0
May 2025 19 19 94.7% 0
June 2025 19 19 79.0% 0
July 2025 23 23 65.2% 0
August 2025 29 29 82.8% 0
September 2025 30 30 96.7% 0
October 2025 30 30 90.0% 0
November 2025 20 20 75.0% 0
December 2025 26 26 80.8% 0
January 2026 4 4 50.0% 0
February 2026 4 3 66.7% 1
March 2026 28 28 60.7% 0
April 2026 22 22 68.2% 0
May 2026 23 23 56.5% 0
June 2026 28 28 25.0% 0
July 2026 30 30 40.0% 0

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