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Flight Reliability

F9 2112 · Frontier Airlines

Chicago → Philadelphia (ORD–PHL)

34
Bring Snacks
WanderNerd Reliability Score
59%
Arrive within 15 minutes
50 min
Average arrival delay
3.3%
Cancelled
3 min
Median arrival delay

Based on 181 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

F9 2112 departing between 3–6 AM arrived on time 80% of the time, versus 41% between 3–6 PM.

Sunday scaries are real for this one.

F9 2112 arrived on time 77% of the time on Thursdays and just 53% on Sundays. That gap is worth planning around.

Lagging the ORD–PHL route.

F9 2112 arrived on time 59% of the time, versus 72% across the ORD–PHL route.

Lagging the Frontier Airlines network.

F9 2112 arrived on time 59% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon57%(44 flights)
  • Tue—(0 flights)
  • Wed—(4 flights)
  • Thu77%(34 flights)
  • Fri53%(47 flights)
  • Sat—(8 flights)
  • Sun53%(38 flights)
On-time by departure window
  • 3–6 AM80%(15 flights)
  • 6–9 AM77%(47 flights)
  • 9 AM–12 PM67%(12 flights)
  • 12–3 PM46%(24 flights)
  • 3–6 PM41%(29 flights)
  • 6–9 PM53%(47 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
76%
May

Jun 33% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202533%15
July 202538%16
August 202541%17
September 202581%16
October 202571%21
November 202567%15
December 202555%11
January 202662%13
April 202656%16
May 202676%21
Departures on time
63%
Diverted
0%
Flights flown
175
Months covered
12

Same route, other flights

Keep nerding

Based on 181 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.