UA1986

UA1986 (United Airlines) is a multi-stop service on 16 routes, busiest San Diego to San Francisco. Of 1,000 departures recorded from October 2024 to July 2026, 84.3% 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
January6123▼ 62.3%
February5635▼ 37.5%
March3834▼ 10.5%
April5030▼ 40.0%
May5646▼ 17.9%
June6030▼ 50.0%
July6231▼ 50.0%
August73––
September55––
October31–in progress
November30––
December43––
Year to date (Jan–Jul)383229▼ 40.2%

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
January81.7%50.0%▼ 38.8%
February83.9%80.0%▼ 4.7%
March100.0%78.8%▼ 21.2%
April98.0%93.3%▼ 4.8%
May89.3%84.8%▼ 5.1%
June88.3%76.7%▼ 13.2%
July96.8%58.1%▼ 40.0%
August81.9%––
September94.4%––
October100.0%–in progress
November93.3%––
December57.1%––
Year-to-date average (Jan–Jul)91.1%74.5%▼ 18.2%

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
January110.0%
February00–
March01–
April00–
May00–
June00–
July00–
August1––
September1––
October0–in progress
November0––
December1––
Year to date (Jan–Jul)12▲ 100.0%

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 99.4% 994
  • Cancelled 0.6% 6

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

On time, leg by leg

  1. SAN–SFO342 91.8%
  2. SFO–ATL126 88.9%
  3. SFO–DEN109 63.9%
  4. SFO–OGG84 95.2%
  5. SFO–IAD80 77.2%
  6. IAH–JAX53 86.8%
  7. IAD–IAH37 64.9%
  8. EWR–SLC33 75.8%

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 40 40 95.0% 0
November 2024 56 56 76.8% 0
December 2024 60 60 75.0% 0
January 2025 61 60 81.7% 1
February 2025 56 56 83.9% 0
March 2025 38 38 100.0% 0
April 2025 50 50 98.0% 0
May 2025 56 56 89.3% 0
June 2025 60 60 88.3% 0
July 2025 62 62 96.8% 0
August 2025 73 72 81.9% 1
September 2025 55 54 94.4% 1
October 2025 31 31 100.0% 0
November 2025 30 30 93.3% 0
December 2025 43 42 57.1% 1
January 2026 23 22 50.0% 1
February 2026 35 35 80.0% 0
March 2026 34 33 78.8% 1
April 2026 30 30 93.3% 0
May 2026 46 46 84.8% 0
June 2026 30 30 76.7% 0
July 2026 31 31 58.1% 0

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