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Flight Reliability

F9 1441 · Frontier Airlines

Atlanta → Chicago (ATL–ORD)

65
Usually Fine
WanderNerd Reliability Score
69%
Arrive within 15 minutes
22 min
Average arrival delay
1.5%
Cancelled
0 min
Median arrival delay

Based on 339 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

F9 1441 departing between 6–9 AM arrived on time 78% of the time, versus 38% between 3–6 PM.

Saturdays have been rough.

F9 1441 arrived on time 84% of the time on Thursdays and just 53% on Saturdays. That gap is worth planning around.

A bit behind the Frontier Airlines network.

F9 1441 arrived on time 69% of the time, versus 73% across the Frontier Airlines network.

Ticking up lately.

F9 1441 arrived on time 68% of the time over the last three months in the data, compared with 64% in the three months before that.

The breakdown

On-time by weekday
  • Mon61%(49 flights)
  • Tue71%(45 flights)
  • Wed74%(43 flights)
  • Thu84%(51 flights)
  • Fri77%(48 flights)
  • Sat53%(47 flights)
  • Sun63%(51 flights)
On-time by departure window
  • 3–6 AM—(1 flights)
  • 6–9 AM78%(41 flights)
  • 9 AM–12 PM70%(241 flights)
  • 12–3 PM73%(30 flights)
  • 3–6 PM38%(21 flights)
On-time trend by month
84%
May

Jun 54% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202554%28
July 202573%30
August 202570%30
September 202583%23
October 202583%30
November 202572%29
December 202548%29
January 202652%23
February 202691%23
March 202658%31
April 202663%27
May 202684%31
Departures on time
65%
Diverted
0%
Flights flown
334
Months covered
12

Same route, other flights

Keep nerding

Based on 339 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.