WN2555

WN2555 (Southwest Airlines) is a multi-stop service on 26 routes, busiest Phoenix to Nashville. Of 523 departures recorded from October 2024 to July 2026, 73.4% left on time, according to the US BTS.

Recorded departures by month

All legs under this number combined; see the leg table.

Months without data are left blank.

The most recent periods17 periods
PeriodDepartures 2025Departures 2026Change vs last year
January431▲ 675.0%
February1218▲ 50.0%
March5246▼ 11.5%
April1339▲ 200.0%
May–40–
June2629▲ 11.5%
July3130▼ 3.2%
August5––
September–––
October25–in progress
November41––
December34––

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

Months without data are left blank.

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods17 periods
PeriodOn time 2025On time 2026Change vs last year
January75.0%80.7%▲ 7.5%
February100.0%88.9%▼ 11.1%
March55.8%56.5%▲ 1.3%
April46.2%81.6%▲ 76.8%
May–56.4%–
June96.2%69.0%▼ 28.3%
July96.7%90.0%▼ 6.9%
August100.0%––
September–––
October92.0%–in progress
November72.5%––
December55.9%––

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods17 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January00–
February00–
March00–
April01–
May–1–
June00–
July10▼ 100.0%
August0––
September–––
October0–in progress
November1––
December0––

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% 519
  • Cancelled 0.8% 4

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

On time, leg by leg

  1. PHX–BNA61 96.7%
  2. MCI–HOU57 80.7%
  3. HOU–SAN47 91.5%
  4. OAK–LAX43 81.0%
  5. MCO–BWI40 74.4%
  6. LAX–DAL35 37.1%

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 23 23 65.2% 0
November 2024 18 18 77.8% 0
December 2024 6 6 83.3% 0
January 2025 4 4 75.0% 0
February 2025 12 12 100.0% 0
March 2025 52 52 55.8% 0
April 2025 13 13 46.2% 0
June 2025 26 26 96.2% 0
July 2025 31 30 96.7% 1
August 2025 5 5 100.0% 0
October 2025 25 25 92.0% 0
November 2025 41 40 72.5% 1
December 2025 34 34 55.9% 0
January 2026 31 31 80.7% 0
February 2026 18 18 88.9% 0
March 2026 46 46 56.5% 0
April 2026 39 38 81.6% 1
May 2026 40 39 56.4% 1
June 2026 29 29 69.0% 0
July 2026 30 30 90.0% 0

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