F91878

F91878 (Frontier Airlines) is a multi-stop service on 2 routes, busiest San Diego to Austin. Of 135 departures recorded from November 2024 to April 2026, 71.4% 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 periods11 periods
PeriodDepartures 2025Departures 2026Change vs last year
January–11–
February–8–
March–10–
April–4–
May–––
June11––
July17––
August16––
September13––
October17–in progress
November16––
December11––

according to the US BTS · November 2024 → April 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 periods11 periods
PeriodOn time 2025On time 2026Change vs last year
January–80.0%–
February–75.0%–
March–70.0%–
April–75.0%–
May–––
June100.0%––
July94.1%––
August93.8%––
September66.7%––
October35.3%–in progress
November50.0%––
December54.6%––

according to the US BTS · November 2024 → April 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · November 2024 → April 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods11 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January–1–
February–0–
March–0–
April–0–
May–––
June0––
July0––
August0––
September1––
October0–in progress
November0––
December0––

according to the US BTS · November 2024 → April 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 98.5% 133
  • Cancelled 1.5% 2

Share of all recorded flights in the period, all legs. · Nov 10, 2024 → Apr 13, 2026

Legs flown under this number

1
RoutesDistance (km)Avg delay On timeDepartures
SAN AUS San Diego International Airport – Austin Bergstrom International Airport 1,871 11.3 min 71.2% 134
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
November 2024 1 1 100.0% 0
June 2025 11 11 100.0% 0
July 2025 17 17 94.1% 0
August 2025 16 16 93.8% 0
September 2025 13 12 66.7% 1
October 2025 17 17 35.3% 0
November 2025 16 16 50.0% 0
December 2025 11 11 54.6% 0
January 2026 11 10 80.0% 1
February 2026 8 8 75.0% 0
March 2026 10 10 70.0% 0
April 2026 4 4 75.0% 0

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