Flight Reliability
F9 2210 · Frontier Airlines
Denver → Chicago (DEN–MDW)
55
A Little Dicey
WanderNerd Reliability Score
- 62%
- Arrive within 15 minutes
- 24 min
- Average arrival delay
- 1.0%
- Cancelled
- 3 min
- Median arrival delay
Based on 97 historical flights. Data through May 2026.
What the data says
Morning-you made the right choice.
F9 2210 departing between 6–9 AM arrived on time 92% of the time, versus 32% between 3–6 PM.
Thursdays have been rough.
F9 2210 arrived on time 86% of the time on Fridays and just 36% on Thursdays. That gap is worth planning around.
Lagging the DEN–MDW route.
F9 2210 arrived on time 62% of the time, versus 74% across the DEN–MDW route.
Lagging the Frontier Airlines network.
F9 2210 arrived on time 62% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon83%(23 flights)
- Tue—(3 flights)
- Wed—(1 flights)
- Thu36%(14 flights)
- Fri86%(22 flights)
- Sat46%(13 flights)
- Sun42%(19 flights)
- 6–9 AM92%(24 flights)
- 9 AM–12 PM—(6 flights)
- 12–3 PM—(9 flights)
- 3–6 PM32%(41 flights)
- 6–9 PM—(5 flights)
- 9 PM–12 AM60%(10 flights)
80%
Dec
Jun 45% → Dec 80% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 45% | 20 |
| July 2025 | 47% | 19 |
| August 2025 | 53% | 17 |
| October 2025 | 91% | 11 |
| December 2025 | 80% | 10 |
- Departures on time
- 58%
- Diverted
- 1.0%
- Flights flown
- 95
- Months covered
- 8
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.