WN1505

WN1505 (Southwest Airlines) is a multi-stop service on 29 routes, busiest Denver to Bozeman. Of 643 departures recorded from October 2024 to July 2026, 73.6% 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
January1532▲ 113.3%
February1728▲ 64.7%
March2824▼ 14.3%
April4229▼ 31.0%
May4931▼ 36.7%
June2730▲ 11.1%
July2631▲ 19.2%
August25––
September26––
October31–in progress
November30––
December38––
Year to date (Jan–Jul)204205▲ 0.5%

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
January100.0%81.3%▼ 18.8%
February88.2%89.3%▲ 1.2%
March92.9%62.5%▼ 32.7%
April95.2%64.3%▼ 32.5%
May89.6%45.2%▼ 49.6%
June61.5%16.7%▼ 72.9%
July56.0%36.7%▼ 34.5%
August76.0%––
September88.5%––
October71.0%–in progress
November76.7%––
December54.1%––
Year-to-date average (Jan–Jul)83.4%56.5%▼ 32.2%

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–
March00–
April01–
May10▼ 100.0%
June10▼ 100.0%
July110.0%
August0––
September0––
October0–in progress
November0––
December1––
Year to date (Jan–Jul)32▼ 33.3%

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 99.1% 637
  • Cancelled 0.9% 6

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

On time, leg by leg

  1. DEN–BZN58 28.1%
  2. DAL–COS57 50.0%
  3. BWI–RDU51 55.1%
  4. DEN–LAX49 85.7%
  5. LAS–IND47 87.2%
  6. BUR–LAS41 70.7%
  7. RNO–PHX37 94.6%
  8. ATL–MCO33 90.9%

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

Legs flown under this number

10
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 17 17 88.2% 0
November 2024 31 31 96.8% 0
December 2024 36 36 94.4% 0
January 2025 15 15 100.0% 0
February 2025 17 17 88.2% 0
March 2025 28 28 92.9% 0
April 2025 42 42 95.2% 0
May 2025 49 48 89.6% 1
June 2025 27 26 61.5% 1
July 2025 26 25 56.0% 1
August 2025 25 25 76.0% 0
September 2025 26 26 88.5% 0
October 2025 31 31 71.0% 0
November 2025 30 30 76.7% 0
December 2025 38 37 54.1% 1
January 2026 32 32 81.3% 0
February 2026 28 28 89.3% 0
March 2026 24 24 62.5% 0
April 2026 29 28 64.3% 1
May 2026 31 31 45.2% 0
June 2026 30 30 16.7% 0
July 2026 31 30 36.7% 1

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