ONT → SEA

F93164

F93164 (Frontier Airlines) flies Ontario to Seattle. Of 249 departures recorded from October 2024 to November 2025, 88.3% left on time, according to the US BTS.

Recorded departures by month

The most recent periods14 periods
PeriodDepartures 2024Departures 2025Change vs last year
January–9–
February–13–
March–18–
April–14–
May–19–
June–30–
July–31–
August–25–
September–17–
October14140.0%
November248▼ 66.7%
December13––

according to the US BTS · October 2024 → November 2025

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 periods14 periods
PeriodOn time 2024On time 2025Change vs last year
January–88.9%–
February–84.6%–
March–94.4%–
April–78.6%–
May–88.9%–
June–86.7%–
July–83.9%–
August–96.0%–
September–82.4%–
October92.9%85.7%▼ 7.7%
November91.7%87.5%▼ 4.5%
December92.3%––

according to the US BTS · October 2024 → November 2025

Average departure delay by month

All legs combined

according to the US BTS · October 2024 → November 2025

Cancelled departures by month

All legs combined
The most recent periods14 periods
PeriodCancelled 2024Cancelled 2025Change vs last year
January–0–
February–0–
March–0–
April–0–
May–1–
June–0–
July–0–
August–0–
September–0–
October00–
November00–
December0––

according to the US BTS · October 2024 → November 2025

This is not a forecast

This is a historical record of departures already flown, not a forecast for your flight.

Cancellation share

  • Not cancelled 99.6% 248
  • Cancelled 0.4% 1

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Nov 17, 2025

Legs flown under this number

1
RoutesDistance (km)Avg delay On timeDepartures
ONT SEA Ontario International Airport – Seattle–Tacoma International Airport 1,540 5.3 min 88.3% 249
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 14 14 92.9% 0
November 2024 24 24 91.7% 0
December 2024 13 13 92.3% 0
January 2025 9 9 88.9% 0
February 2025 13 13 84.6% 0
March 2025 18 18 94.4% 0
April 2025 14 14 78.6% 0
May 2025 19 18 88.9% 1
June 2025 30 30 86.7% 0
July 2025 31 31 83.9% 0
August 2025 25 25 96.0% 0
September 2025 17 17 82.4% 0
October 2025 14 14 85.7% 0
November 2025 8 8 87.5% 0

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