WN2858

WN2858 (Southwest Airlines) is a multi-stop service on 29 routes, busiest Washington to Chicago. Of 550 departures recorded from October 2024 to July 2026, 73.9% 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
January943▲ 377.8%
February1836▲ 100.0%
March3133▲ 6.5%
April3911▼ 71.8%
May455▼ 88.9%
June2520▼ 20.0%
July2022▲ 10.0%
August31––
September30––
October31–in progress
November17––
December27––
Year to date (Jan–Jul)187170▼ 9.1%

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
January66.7%85.7%▲ 28.6%
February66.7%86.1%▲ 29.2%
March87.1%48.5%▼ 44.3%
April71.8%54.6%▼ 24.0%
May51.1%80.0%▲ 56.5%
June76.0%75.0%▼ 1.3%
July63.2%72.7%▲ 15.2%
August93.6%––
September96.7%––
October96.8%–in progress
November86.7%––
December40.7%––
Year-to-date average (Jan–Jul)68.9%71.8%▲ 4.2%

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–
February00–
March00–
April00–
May00–
June00–
July10▼ 100.0%
August0––
September0––
October0–in progress
November2––
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 98.9% 544
  • Cancelled 1.1% 6

Share of all recorded flights in the period, all legs. · Oct 14, 2024 → Jul 31, 2026

On time, leg by leg

  1. HNL–OGG58 98.3%
  2. DCA–MDW58 60.3%
  3. DAL–PHX42 88.1%
  4. RDU–MDW35 67.7%
  5. MDW–PHX34 85.3%
  6. MSP–BWI33 81.8%
  7. LAX–DEN33 39.4%
  8. SLC–DEN31 96.8%

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

Legs flown under this number

9
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 8 8 75.0% 0
November 2024 23 23 73.9% 0
December 2024 26 24 66.7% 2
January 2025 9 9 66.7% 0
February 2025 18 18 66.7% 0
March 2025 31 31 87.1% 0
April 2025 39 39 71.8% 0
May 2025 45 45 51.1% 0
June 2025 25 25 76.0% 0
July 2025 20 19 63.2% 1
August 2025 31 31 93.6% 0
September 2025 30 30 96.7% 0
October 2025 31 31 96.8% 0
November 2025 17 15 86.7% 2
December 2025 27 27 40.7% 0
January 2026 43 42 85.7% 1
February 2026 36 36 86.1% 0
March 2026 33 33 48.5% 0
April 2026 11 11 54.6% 0
May 2026 5 5 80.0% 0
June 2026 20 20 75.0% 0
July 2026 22 22 72.7% 0

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