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Flight Reliability

F9 3088 · Frontier Airlines

Chicago → Baltimore (MDW–BWI)

80
Pretty Reliable
WanderNerd Reliability Score
76%
Arrive within 15 minutes
6 min
Average arrival delay
1.0%
Cancelled
14 min early
Median arrival delay

Based on 97 historical flights. Data through May 2026.

What the data says

The 3–6 PM departure wins.

F9 3088 departing between 3–6 PM arrived on time 93% of the time, versus 74% between 12–3 PM.

Wednesdays have been rough.

F9 3088 arrived on time 88% of the time on Fridays and just 42% on Wednesdays. That gap is worth planning around.

A bit behind the MDW–BWI route.

F9 3088 arrived on time 76% of the time, versus 79% across the MDW–BWI route.

Trending in the right direction.

F9 3088 arrived on time 83% of the time over the last three months in the data, compared with 65% in the three months before that.

The breakdown

On-time by weekday
  • Mon67%(27 flights)
  • Tue—(1 flights)
  • Wed42%(12 flights)
  • Thu85%(13 flights)
  • Fri88%(24 flights)
  • Sat—(4 flights)
  • Sun87%(15 flights)
On-time by departure window
  • 3–6 AM—(3 flights)
  • 6–9 AM—(2 flights)
  • 9 AM–12 PM—(4 flights)
  • 12–3 PM74%(72 flights)
  • 3–6 PM93%(15 flights)
On-time trend by month
75%
Nov

Jun 54% → Nov 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202554%13
July 202562%13
August 202580%15
September 202582%17
October 202591%21
November 202575%16
Departures on time
83%
Diverted
0%
Flights flown
96
Months covered
7

Same route, other flights

Keep nerding

Based on 97 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.