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Flight Reliability

F9 4064 · Frontier Airlines

Chicago → Baltimore (ORD–BWI)

49
Bring Snacks
WanderNerd Reliability Score
64%
Arrive within 15 minutes
26 min
Average arrival delay
3.7%
Cancelled
0 min
Median arrival delay

Based on 135 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

F9 4064 departing between 6–9 AM arrived on time 71% of the time, versus 60% between 6–9 PM.

Sunday scaries are real for this one.

F9 4064 arrived on time 83% of the time on Thursdays and just 56% on Sundays. That gap is worth planning around.

Lagging the ORD–BWI route.

F9 4064 arrived on time 64% of the time, versus 73% across the ORD–BWI route.

Lagging the Frontier Airlines network.

F9 4064 arrived on time 64% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon63%(38 flights)
  • Tue—(1 flights)
  • Wed—(3 flights)
  • Thu83%(18 flights)
  • Fri64%(36 flights)
  • Sat—(2 flights)
  • Sun56%(32 flights)
On-time by departure window
  • 3–6 AM—(3 flights)
  • 6–9 AM71%(41 flights)
  • 9 AM–12 PM—(7 flights)
  • 12–3 PM63%(46 flights)
  • 3–6 PM—(8 flights)
  • 6–9 PM60%(25 flights)
On-time trend by month
77%
Apr

Jul 50% → Apr 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202550%10
August 202575%16
September 202565%17
October 202573%15
November 202550%16
December 202527%11
January 202673%11
April 202677%13
Departures on time
77%
Diverted
0%
Flights flown
130
Months covered
11

Same route, other flights

Keep nerding

Based on 135 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.