WN1797

WN1797 (Southwest Airlines) is a multi-stop service on 34 routes, busiest Phoenix to Las Vegas. Of 716 departures recorded from October 2024 to July 2026, 77.9% 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
January32320.0%
February4428▼ 36.4%
March3435▲ 2.9%
April3050▲ 66.7%
May3152▲ 67.7%
June2815▼ 46.4%
July318▼ 74.2%
August18––
September17––
October1–in progress
November35––
December43––
Year to date (Jan–Jul)230220▼ 4.3%

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
January90.6%100.0%▲ 10.3%
February93.2%96.4%▲ 3.5%
March85.3%67.7%▼ 20.7%
April70.0%64.0%▼ 8.6%
May58.1%51.9%▼ 10.6%
June50.0%64.3%▲ 28.6%
July70.4%75.0%▲ 6.6%
August61.1%––
September47.1%––
October100.0%–in progress
November71.4%––
December93.0%––
Year-to-date average (Jan–Jul)73.9%74.2%▲ 0.3%

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–
March01–
April00–
May00–
June01–
July40▼ 100.0%
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)42▼ 50.0%

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 99.2% 710
  • Cancelled 0.8% 6

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 26, 2026

On time, leg by leg

  1. PHX–LAS62 95.2%
  2. PIT–BWI59 56.4%
  3. PHX–SLC59 81.4%
  4. HNL–OGG58 98.3%
  5. DEN–BOS50 64.0%
  6. TUL–LAS34 94.1%
  7. TPA–SAT33 68.8%
  8. MCO–SMF32 53.1%

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 19 19 94.7% 0
November 2024 77 77 93.5% 0
December 2024 56 56 91.1% 0
January 2025 32 32 90.6% 0
February 2025 44 44 93.2% 0
March 2025 34 34 85.3% 0
April 2025 30 30 70.0% 0
May 2025 31 31 58.1% 0
June 2025 28 28 50.0% 0
July 2025 31 27 70.4% 4
August 2025 18 18 61.1% 0
September 2025 17 17 47.1% 0
October 2025 1 1 100.0% 0
November 2025 35 35 71.4% 0
December 2025 43 43 93.0% 0
January 2026 32 32 100.0% 0
February 2026 28 28 96.4% 0
March 2026 35 34 67.7% 1
April 2026 50 50 64.0% 0
May 2026 52 52 51.9% 0
June 2026 15 14 64.3% 1
July 2026 8 8 75.0% 0

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