UA488

UA488 (United Airlines) is a multi-stop service on 9 routes, busiest Burbank to San Francisco. Of 820 departures recorded from October 2024 to July 2026, 87.8% 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
January3036▲ 20.0%
February2845▲ 60.7%
March3156▲ 80.6%
April3059▲ 96.7%
May3156▲ 80.6%
June3054▲ 80.0%
July3031▲ 3.3%
August29––
September29––
October31–in progress
November30––
December45––
Year to date (Jan–Jul)210337▲ 60.5%

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
January82.8%88.6%▲ 7.0%
February96.4%91.1%▼ 5.5%
March100.0%79.6%▼ 20.4%
April96.7%86.4%▼ 10.6%
May90.3%73.2%▼ 18.9%
June96.7%87.0%▼ 10.0%
July93.3%93.6%▲ 0.2%
August79.3%––
September82.8%––
October87.1%–in progress
November83.3%––
December75.6%––
Year-to-date average (Jan–Jul)93.7%85.6%▼ 8.6%

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
January110.0%
February00–
March02–
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)13▲ 200.0%

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 99.5% 816
  • Cancelled 0.5% 4

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

On time, leg by leg

  1. BUR–SFO585 90.2%
  2. SFO–RDU61 90.2%
  3. SFO–IND55 81.8%
  4. SFO–ORD45 81.8%

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 35 35 94.3% 0
November 2024 30 30 100.0% 0
December 2024 44 44 93.2% 0
January 2025 30 29 82.8% 1
February 2025 28 28 96.4% 0
March 2025 31 31 100.0% 0
April 2025 30 30 96.7% 0
May 2025 31 31 90.3% 0
June 2025 30 30 96.7% 0
July 2025 30 30 93.3% 0
August 2025 29 29 79.3% 0
September 2025 29 29 82.8% 0
October 2025 31 31 87.1% 0
November 2025 30 30 83.3% 0
December 2025 45 45 75.6% 0
January 2026 36 35 88.6% 1
February 2026 45 45 91.1% 0
March 2026 56 54 79.6% 2
April 2026 59 59 86.4% 0
May 2026 56 56 73.2% 0
June 2026 54 54 87.0% 0
July 2026 31 31 93.6% 0

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