Flight Reliability
F9 1252 · Frontier Airlines
Chicago → Tampa (ORD–TPA)
33
Bring Snacks
WanderNerd Reliability Score
- 66%
- Arrive within 15 minutes
- 74 min
- Average arrival delay
- 2.4%
- Cancelled
- 3 min early
- Median arrival delay
Based on 42 historical flights. Data through May 2026.
What the data says
12–3 PM has a slight edge.
Departures between 12–3 PM arrived on time 54% of the time, against 50% between 6–9 AM.
Lagging the ORD–TPA route.
F9 1252 arrived on time 66% of the time, versus 74% across the ORD–TPA route.
Lagging the Frontier Airlines network.
F9 1252 arrived on time 66% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon64%(11 flights)
- Tue—(0 flights)
- Wed—(0 flights)
- Thu—(9 flights)
- Fri—(6 flights)
- Sat—(7 flights)
- Sun—(8 flights)
- 3–6 AM—(6 flights)
- 6–9 AM50%(10 flights)
- 9 AM–12 PM—(7 flights)
- 12–3 PM54%(13 flights)
- 3–6 PM—(5 flights)
92%
Apr
Feb 40% → Apr 92% on time
| Month | On-time percentage | Flights |
|---|---|---|
| February 2026 | 40% | 10 |
| March 2026 | 62% | 13 |
| April 2026 | 92% | 12 |
- Departures on time
- 66%
- Diverted
- 0%
- Flights flown
- 41
- Months covered
- 4
Same route, other flights
Keep nerding
Based on 42 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.