Route Reliability
Chicago → Charlotte Amalie
ORD–STT · 2,116 miles · Chicago O'Hare International Airport to Cyril E. King Airport
69
Usually Fine
WanderNerd Reliability Score
- 70%
- Arrive within 15 minutes
- 12 min
- Average arrival delay
- 1.2%
- Cancelled
- 255
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.United Airlines70%155 flights
- 2.American Airlines70%100 flights
What the data says
Departure time hasn't mattered much.
On-time rates stay between 70% and 71% across the day.
Friday is doing you no favors.
ORD–STT flights arrived on time 86% of the time on Wednesdays and just 50% on Fridays. That gap is worth planning around.
Not much between United Airlines and American Airlines.
On this route they all land within 70% to 70% on time. Pick on schedule and price.
Flights on this route
The breakdown
- Mon67%(30 flights)
- Tue80%(25 flights)
- Wed86%(28 flights)
- Thu80%(35 flights)
- Fri50%(30 flights)
- Sat69%(61 flights)
- Sun66%(41 flights)
- 6–9 AM71%(110 flights)
- 9 AM–12 PM70%(140 flights)
71%
Apr
Nov 71% → Apr 71% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 71% | 14 |
| December 2025 | 73% | 33 |
| January 2026 | 73% | 44 |
| February 2026 | 83% | 47 |
| March 2026 | 54% | 61 |
| April 2026 | 71% | 35 |
Keep nerding
Based on 255 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.