Flight Reliability
F9 1043 · Frontier Airlines
New York → Chicago (JFK–ORD)
26
Bring Snacks
WanderNerd Reliability Score
- 52%
- Arrive within 15 minutes
- 45 min
- Average arrival delay
- 4.3%
- Cancelled
- 8 min
- Median arrival delay
Based on 116 historical flights. Data through May 2026.
What the data says
The 12–3 PM departure wins.
F9 1043 departing between 12–3 PM arrived on time 71% of the time, versus 33% between 3–6 PM.
Wednesdays have been rough.
F9 1043 arrived on time 58% of the time on Fridays and just 31% on Wednesdays. That gap is worth planning around.
Well behind the JFK–ORD route.
F9 1043 arrived on time 52% of the time, versus 74% across the JFK–ORD route.
Well behind the Frontier Airlines network.
F9 1043 arrived on time 52% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon48%(23 flights)
- Tue—(7 flights)
- Wed31%(16 flights)
- Thu55%(11 flights)
- Fri58%(24 flights)
- Sat56%(18 flights)
- Sun58%(12 flights)
- 9 AM–12 PM64%(52 flights)
- 12–3 PM71%(14 flights)
- 3–6 PM33%(45 flights)
37%
Mar
Oct 56% → Mar 37% on time
| Month | On-time percentage | Flights |
|---|---|---|
| October 2025 | 56% | 16 |
| November 2025 | 74% | 23 |
| December 2025 | 50% | 16 |
| January 2026 | 38% | 16 |
| February 2026 | 62% | 13 |
| March 2026 | 37% | 27 |
- Departures on time
- 60%
- Diverted
- 0%
- Flights flown
- 111
- Months covered
- 6
Same route, other flights
Keep nerding
Based on 116 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.