WN588

WN588 (Southwest Airlines) is a multi-stop service on 36 routes, busiest El Paso to Las Vegas. Of 708 departures recorded from October 2024 to July 2026, 77.1% 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
January33330.0%
February28280.0%
March3727▼ 27.0%
April3540▲ 14.3%
May3743▲ 16.2%
June3032▲ 6.7%
July3031▲ 3.3%
August31––
September30––
October31–in progress
November34––
December30––
Year to date (Jan–Jul)230234▲ 1.7%

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
January97.0%62.5%▼ 35.5%
February100.0%70.4%▼ 29.6%
March83.3%88.9%▲ 6.7%
April100.0%46.2%▼ 53.8%
May94.6%46.5%▼ 50.8%
June86.7%65.6%▼ 24.3%
July89.7%48.4%▼ 46.0%
August93.6%––
September93.3%––
October77.4%–in progress
November57.6%––
December40.0%––
Year-to-date average (Jan–Jul)93.0%61.2%▼ 34.2%

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
January01–
February01–
March10▼ 100.0%
April01–
May00–
June00–
July10▼ 100.0%
August0––
September0––
October0–in progress
November1––
December0––
Year to date (Jan–Jul)23▲ 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% 702
  • Cancelled 0.8% 6

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

On time, leg by leg

  1. ELP–LAS103 99.0%
  2. MCO–BWI60 88.1%
  3. LAX–MCI58 96.6%
  4. MCI–AUS57 93.0%
  5. BDL–MDW42 48.8%
  6. TPA–BDL33 42.4%
  7. LAS–MDW33 87.5%
  8. LAS–KOA31 77.4%

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 17 17 100.0% 0
November 2024 30 30 96.7% 0
December 2024 41 41 82.9% 0
January 2025 33 33 97.0% 0
February 2025 28 28 100.0% 0
March 2025 37 36 83.3% 1
April 2025 35 35 100.0% 0
May 2025 37 37 94.6% 0
June 2025 30 30 86.7% 0
July 2025 30 29 89.7% 1
August 2025 31 31 93.6% 0
September 2025 30 30 93.3% 0
October 2025 31 31 77.4% 0
November 2025 34 33 57.6% 1
December 2025 30 30 40.0% 0
January 2026 33 32 62.5% 1
February 2026 28 27 70.4% 1
March 2026 27 27 88.9% 0
April 2026 40 39 46.2% 1
May 2026 43 43 46.5% 0
June 2026 32 32 65.6% 0
July 2026 31 31 48.4% 0

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