UA2409

UA2409 (United Airlines) is a multi-stop service on 13 routes, busiest Chicago to San Francisco. Of 625 departures recorded from October 2024 to June 2026, 81.4% 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 periods16 periods
PeriodDepartures 2025Departures 2026Change vs last year
January925▼ 94.6%
February83––
March412▼ 95.1%
April3025▼ 16.7%
May3111▼ 64.5%
June824▲ 200.0%
July–––
August26––
September22––
October24–in progress
November29––
December28––

according to the US BTS · October 2024 → June 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 periods16 periods
PeriodOn time 2025On time 2026Change vs last year
January85.9%40.0%▼ 53.4%
February79.5%––
March70.7%100.0%▲ 41.4%
April86.7%88.0%▲ 1.5%
May64.5%45.5%▼ 29.6%
June87.5%83.3%▼ 4.8%
July–––
August96.2%––
September90.9%––
October95.8%–in progress
November96.6%––
December85.7%––

according to the US BTS · October 2024 → June 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → June 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods16 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January00–
February0––
March00–
April00–
May00–
June00–
July–––
August0––
September0––
October0–in progress
November0––
December0––

according to the US BTS · October 2024 → June 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 99.8% 624
  • Cancelled 0.2% 1

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jun 24, 2026

On time, leg by leg

  1. SFO–LAX108 80.6%
  2. ORD–SFO108 72.0%
  3. SFO–IAD78 87.2%
  4. SFO–BUR77 77.9%
  5. DJT–ORD77 85.7%
  6. SFO–BWI48 93.8%
  7. SFO–SBA36 83.3%

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

Legs flown under this number

7
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 32 31 80.7% 1
November 2024 26 26 76.9% 0
December 2024 86 86 75.6% 0
January 2025 92 92 85.9% 0
February 2025 83 83 79.5% 0
March 2025 41 41 70.7% 0
April 2025 30 30 86.7% 0
May 2025 31 31 64.5% 0
June 2025 8 8 87.5% 0
August 2025 26 26 96.2% 0
September 2025 22 22 90.9% 0
October 2025 24 24 95.8% 0
November 2025 29 29 96.6% 0
December 2025 28 28 85.7% 0
January 2026 5 5 40.0% 0
March 2026 2 2 100.0% 0
April 2026 25 25 88.0% 0
May 2026 11 11 45.5% 0
June 2026 24 24 83.3% 0

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