MIA → MDW

F92109

F92109 (Frontier Airlines) flies Miami to Chicago. Of 171 departures recorded from October 2024 to April 2026, 76.9% left on time, according to the US BTS.

Recorded departures by month

Months without data are left blank.

The most recent periods11 periods
PeriodDepartures 2025Departures 2026Change vs last year
January209▼ 55.0%
February165▼ 68.8%
March2021▲ 5.0%
April126▼ 50.0%
May–––
June–––
July–––
August–––
September–––
October2–in progress
November6––
December12––
Year to date (Jan–Apr)6841▼ 39.7%

according to the US BTS · October 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
January55.0%77.8%▲ 41.4%
February75.0%60.0%▼ 20.0%
March84.2%76.2%▼ 9.5%
April83.3%100.0%▲ 20.0%
May–––
June–––
July–––
August–––
September–––
October100.0%–in progress
November100.0%––
December66.7%––
Year-to-date average (Jan–Apr)74.4%78.5%▲ 5.5%

according to the US BTS · October 2024 → April 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 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
January00–
February00–
March10▼ 100.0%
April00–
May–––
June–––
July–––
August–––
September–––
October0–in progress
November1––
December0––
Year to date (Jan–Apr)10▼ 100.0%

according to the US BTS · October 2024 → April 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 98.8% 169
  • Cancelled 1.2% 2

Share of all recorded flights in the period, all legs. · Oct 14, 2024 → Apr 13, 2026

Legs flown under this number

1
RoutesDistance (km)Avg delay On timeDepartures
MIA MDW Miami International Airport – Chicago Midway International Airport 1,905 11.5 min 76.9% 171
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 5 5 100.0% 0
November 2024 13 13 53.9% 0
December 2024 24 24 91.7% 0
January 2025 20 20 55.0% 0
February 2025 16 16 75.0% 0
March 2025 20 19 84.2% 1
April 2025 12 12 83.3% 0
October 2025 2 2 100.0% 0
November 2025 6 5 100.0% 1
December 2025 12 12 66.7% 0
January 2026 9 9 77.8% 0
February 2026 5 5 60.0% 0
March 2026 21 21 76.2% 0
April 2026 6 6 100.0% 0

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