Route Reliability
Charlotte Amalie → Chicago
STT–ORD · 2,116 miles · Cyril E. King Airport to Chicago O'Hare International Airport
- 72%
- Arrive within 15 minutes
- 20 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 Airlines73%155 flights
- 2.American Airlines71%100 flights
What the data says
12–3 PM has a slight edge.
Departures between 12–3 PM arrived on time 76% of the time, against 69% between 3–6 PM.
Sunday scaries are real for this one.
STT–ORD flights arrived on time 97% of the time on Fridays and just 54% on Sundays. That gap is worth planning around.
Not much between United Airlines and American Airlines.
On this route they all land within 71% to 73% on time. Pick on schedule and price.
Trending in the right direction.
STT–ORD flights arrived on time 74% of the time over the last three months in the data, compared with 65% in the three months before that.
Flights on this route
The breakdown
- Mon72%(29 flights)
- Tue58%(24 flights)
- Wed79%(28 flights)
- Thu79%(33 flights)
- Fri97%(29 flights)
- Sat72%(61 flights)
- Sun54%(39 flights)
- 12–3 PM76%(119 flights)
- 3–6 PM69%(124 flights)
Nov 57% → Apr 71% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 57% | 14 |
| December 2025 | 82% | 34 |
| January 2026 | 56% | 41 |
| February 2026 | 81% | 47 |
| March 2026 | 71% | 55 |
| 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.