UA505

UA505 (United Airlines) is a multi-stop service on 6 routes, busiest San Francisco to Houston. Of 1,035 departures recorded from October 2024 to July 2026, 74.5% 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
January6136▼ 41.0%
February5628▼ 50.0%
March6233▼ 46.8%
April6042▼ 30.0%
May5231▼ 40.4%
June3430▼ 11.8%
July5231▼ 40.4%
August57––
September60––
October61–in progress
November60––
December62––
Year to date (Jan–Jul)377231▼ 38.7%

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
January88.1%74.3%▼ 15.7%
February85.5%75.0%▼ 12.2%
March79.0%78.8%▼ 0.3%
April90.0%71.4%▼ 20.6%
May74.5%77.4%▲ 3.9%
June52.9%46.7%▼ 11.8%
July63.5%64.5%▲ 1.7%
August73.7%––
September89.8%––
October82.0%–in progress
November64.4%––
December72.6%––
Year-to-date average (Jan–Jul)76.2%69.7%▼ 8.5%

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
January21▼ 50.0%
February10▼ 100.0%
March00–
April00–
May10▼ 100.0%
June00–
July00–
August0––
September1––
October0–in progress
November1––
December0––
Year to date (Jan–Jul)41▼ 75.0%

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% 1,027
  • Cancelled 0.8% 8

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

On time, leg by leg

  1. SFO–IAH585 74.4%
  2. SAN–SFO345 78.3%
  3. PHX–ORD37 94.6%
  4. TYS–DEN35 47.1%

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

Legs flown under this number

4
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 40 40 75.0% 0
November 2024 30 30 73.3% 0
December 2024 57 56 58.9% 1
January 2025 61 59 88.1% 2
February 2025 56 55 85.5% 1
March 2025 62 62 79.0% 0
April 2025 60 60 90.0% 0
May 2025 52 51 74.5% 1
June 2025 34 34 52.9% 0
July 2025 52 52 63.5% 0
August 2025 57 57 73.7% 0
September 2025 60 59 89.8% 1
October 2025 61 61 82.0% 0
November 2025 60 59 64.4% 1
December 2025 62 62 72.6% 0
January 2026 36 35 74.3% 1
February 2026 28 28 75.0% 0
March 2026 33 33 78.8% 0
April 2026 42 42 71.4% 0
May 2026 31 31 77.4% 0
June 2026 30 30 46.7% 0
July 2026 31 31 64.5% 0

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