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Flight Reliability

F9 1888 · Frontier Airlines

Dallas–Fort Worth → Chicago (DFW–MDW)

70
Usually Fine
WanderNerd Reliability Score
75%
Arrive within 15 minutes
13 min
Average arrival delay
2.1%
Cancelled
7 min early
Median arrival delay

Based on 194 historical flights. Data through May 2026.

What the data says

Morning-you made the right choice.

F9 1888 departing between 6–9 AM arrived on time 89% of the time, versus 74% between 12–3 PM.

Sunday scaries are real for this one.

F9 1888 arrived on time 90% of the time on Fridays and just 60% on Sundays. That gap is worth planning around.

A bit ahead of the DFW–MDW route.

F9 1888 arrived on time 75% of the time, versus 71% across the DFW–MDW route.

Recent months have been rougher.

F9 1888 arrived on time 67% of the time over the last three months in the data, compared with 75% in the three months before that.

The breakdown

On-time by weekday
  • Mon74%(39 flights)
  • Tue—(7 flights)
  • Wed80%(10 flights)
  • Thu76%(29 flights)
  • Fri90%(41 flights)
  • Sat71%(28 flights)
  • Sun60%(35 flights)
On-time by departure window
  • 6–9 AM89%(28 flights)
  • 9 AM–12 PM76%(121 flights)
  • 12–3 PM74%(27 flights)
  • 3–6 PM—(3 flights)
  • 6–9 PM—(6 flights)
  • 9 PM–12 AM—(4 flights)
On-time trend by month
73%
May

Jun 73% → May 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%22
July 202575%20
August 202580%15
September 202590%20
October 202592%12
November 202572%18
December 202578%18
January 202675%12
February 202682%11
March 202646%11
May 202673%26
Departures on time
74%
Diverted
0.5%
Flights flown
189
Months covered
12

Same route, other flights

Keep nerding

Based on 194 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.