WN477

WN477 (Southwest Airlines) is a multi-stop service on 42 routes, busiest Hartford to Orlando. Of 773 departures recorded from October 2024 to July 2026, 80.4% 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
January3313▼ 60.6%
February3819▼ 50.0%
March4852▲ 8.3%
April4335▼ 18.6%
May4531▼ 31.1%
June3153▲ 71.0%
July3057▲ 90.0%
August30––
September30––
October56–in progress
November30––
December31––
Year to date (Jan–Jul)268260▼ 3.0%

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
January93.9%91.7%▼ 2.4%
February84.2%73.7%▼ 12.5%
March74.5%92.2%▲ 23.8%
April83.7%85.7%▲ 2.4%
May95.6%100.0%▲ 4.6%
June45.2%69.8%▲ 54.6%
July36.7%77.8%▲ 112.1%
August79.3%––
September80.0%––
October82.1%–in progress
November82.8%––
December76.7%––
Year-to-date average (Jan–Jul)73.4%84.4%▲ 15.0%

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–
March110.0%
April00–
May00–
June00–
July03–
August1––
September0––
October0–in progress
November1––
December1––
Year to date (Jan–Jul)15▲ 400.0%

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 98.8% 764
  • Cancelled 1.2% 9

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

On time, leg by leg

  1. BDL–MCO59 98.3%
  2. PHX–OKC58 94.8%
  3. MDW–CLE57 82.1%
  4. PHX–SAT51 29.4%
  5. CLT–BWI49 65.3%
  6. PHX–HOU46 86.4%
  7. ORF–BWI33 66.7%
  8. BNA–CLT33 90.9%

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 20 20 100.0% 0
November 2024 19 19 84.2% 0
December 2024 29 29 82.8% 0
January 2025 33 33 93.9% 0
February 2025 38 38 84.2% 0
March 2025 48 47 74.5% 1
April 2025 43 43 83.7% 0
May 2025 45 45 95.6% 0
June 2025 31 31 45.2% 0
July 2025 30 30 36.7% 0
August 2025 30 29 79.3% 1
September 2025 30 30 80.0% 0
October 2025 56 56 82.1% 0
November 2025 30 29 82.8% 1
December 2025 31 30 76.7% 1
January 2026 13 12 91.7% 1
February 2026 19 19 73.7% 0
March 2026 52 51 92.2% 1
April 2026 35 35 85.7% 0
May 2026 31 31 100.0% 0
June 2026 53 53 69.8% 0
July 2026 57 54 77.8% 3

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