ONT → SFO

F92677

F92677 (Frontier Airlines) flies Ontario to San Francisco. Of 309 departures recorded from October 2024 to July 2026, 59.3% left on time, according to the US BTS.

Recorded departures by month

Months without data are left blank.

The most recent periods18 periods
PeriodDepartures 2025Departures 2026Change vs last year
January137▼ 46.2%
February15––
March188▼ 55.6%
April1713▼ 23.5%
May2320▼ 13.0%
June1430▲ 114.3%
July124▼ 66.7%
August16––
September17––
October18–in progress
November21––
December15––

according to the US BTS · October 2024 → July 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 periods18 periods
PeriodOn time 2025On time 2026Change vs last year
January84.6%66.7%▼ 21.2%
February86.7%––
March55.6%75.0%▲ 35.0%
April56.3%23.1%▼ 59.0%
May65.2%26.3%▼ 59.6%
June69.2%16.7%▼ 75.9%
July50.0%25.0%▼ 50.0%
August86.7%––
September58.8%––
October61.1%–in progress
November76.2%––
December71.4%––

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods18 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January01–
February0––
March00–
April10▼ 100.0%
May01–
June10▼ 100.0%
July00–
August1––
September0––
October0–in progress
November0––
December1––

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.

Cancellation share

  • Not cancelled 97.7% 302
  • Cancelled 2.3% 7

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 4, 2026

Legs flown under this number

1
RoutesDistance (km)Avg delay On timeDepartures
ONT SFO Ontario International Airport – San Francisco International Airport 585 24.4 min 59.3% 309
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 6 6 100.0% 0
November 2024 8 8 75.0% 0
December 2024 14 13 76.9% 1
January 2025 13 13 84.6% 0
February 2025 15 15 86.7% 0
March 2025 18 18 55.6% 0
April 2025 17 16 56.3% 1
May 2025 23 23 65.2% 0
June 2025 14 13 69.2% 1
July 2025 12 12 50.0% 0
August 2025 16 15 86.7% 1
September 2025 17 17 58.8% 0
October 2025 18 18 61.1% 0
November 2025 21 21 76.2% 0
December 2025 15 14 71.4% 1
January 2026 7 6 66.7% 1
March 2026 8 8 75.0% 0
April 2026 13 13 23.1% 0
May 2026 20 19 26.3% 1
June 2026 30 30 16.7% 0
July 2026 4 4 25.0% 0

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