CHS to ORD flight delays & on-time performance
Nonstop flights from Charleston International Airport to Chicago O'Hare International Airport · 760 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at CHS or ORD right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Charleston (CHS) to Chicago (ORD) arrived on time 78% of the time in Aug 2025 – Jul 2026, in line with the national average.
- 2.5% were cancelled, and 8% arrived an hour or more late.
- American Airlines was the most punctual airline here (84% on time); Republic Airways was the least (72%).
- Departures scheduled around 7am did best (87% on time); around 5pm did worst (63%).
- Thursday was the most reliable day to fly (84% on time) and Sunday the least (70%).
- The largest source of delay minutes was air traffic control & airport congestion (42%).
Which airline is most on time from CHS to ORD?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| PSA AirlinesRegional airline operating American Eagle flights. | 100% | 0.0% | 0 min | 0.0% | 1 |
| American Airlines | 84% | 1.7% | 20 min | 7.4% | 292 |
| Envoy AirRegional airline operating American Eagle flights. | 81% | 2.9% | 16 min | 8.3% | 515 |
| United Airlines | 78% | 2.0% | 18 min | 7.4% | 760 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 72% | 3.1% | 17 min | 7.6% | 453 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 69% | 4.7% | 40 min | 14.8% | 85 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am85%266 flights
- 7am87%206 flights
- 8am84%97 flights
- 9am93%47 flights
- 10am89%39 flights
- 11am87%243 flights
- 12pm81%248 flights
- 1pm81%203 flights
- 3pm67%94 flights
- 4pm64%216 flights
- 5pm63%115 flights
- 6pm64%205 flights
- 7pm64%57 flights
- 8pm70%61 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday78%2.5% cancelled
- Tuesday79%2.4% cancelled
- Wednesday79%1.7% cancelled
- Thursday84%1.0% cancelled
- Friday74%2.5% cancelled
- Saturday80%2.8% cancelled
- Sunday70%4.6% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Air traffic control & airport congestion42%
- Late-arriving aircraft32%
- Airline (crew, maintenance, cleaning, fueling)24%
- Extreme weather2%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather70%
- Air traffic control & airport congestion19%
- Airline (crew, maintenance, cleaning, fueling)11%
- Security0%
CHS to ORD: common questions
- How often are CHS to ORD flights on time?
- 78% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Charleston to Chicago cancelled?
- 2.5% of scheduled flights were cancelled (53 of 2,106).
- How long are typical delays?
- Across all flights the average arrival delay was 18 min (early arrivals count as zero). Flights that were late arrived 77 min behind schedule on average, and 8.0% of flights were an hour or more late.
- How long is taxi time at CHS?
- Flights on this route spent 17 min taxiing from the gate to takeoff on average.
Related routes
Return trip: ORD to CHS — 76% on time
More flights from Charleston
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: CHS → ORD, nonstop flights by US airlines that report to the DOT. How we calculate this.