CHA to ORD flight delays & on-time performance
Nonstop flights from Chattanooga Metropolitan Airport (Lovell Field) to Chicago O'Hare International Airport · 501 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at CHA or ORD right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Chattanooga (CHA) to Chicago (ORD) arrived on time 72% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 4.1% were cancelled, and 10% arrived an hour or more late.
- Envoy Air was the most punctual airline here (75% on time); Republic Airways was the least (70%).
- Departures scheduled around 6am did best (85% on time); around 5pm did worst (53%).
- Saturday was the most reliable day to fly (84% on time) and Sunday the least (65%).
- The largest source of delay minutes was late-arriving aircraft (36%).
Which airline is most on time from CHA 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 |
|---|---|---|---|---|---|
| Envoy AirRegional airline operating American Eagle flights. | 75% | 2.4% | 15 min | 8.5% | 206 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 71% | 5.4% | 27 min | 11.3% | 481 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 70% | 3.0% | 20 min | 10.1% | 267 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am83%12 flights
- 6am85%116 flights
- 7am84%171 flights
- 8am78%130 flights
- 10am76%98 flights
- 12pm76%17 flights
- 1pm67%56 flights
- 2pm74%26 flights
- 4pm52%25 flights
- 5pm53%161 flights
- 6pm60%142 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday67%6.9% cancelled
- Tuesday72%1.5% cancelled
- Wednesday74%2.8% cancelled
- Thursday74%4.3% cancelled
- Friday69%2.1% cancelled
- Saturday84%7.5% cancelled
- Sunday65%4.3% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft36%
- Airline (crew, maintenance, cleaning, fueling)30%
- Air traffic control & airport congestion28%
- Extreme weather6%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather79%
- Air traffic control & airport congestion21%
- Airline (crew, maintenance, cleaning, fueling)0%
- Security0%
CHA to ORD: common questions
- How often are CHA to ORD flights on time?
- 72% 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 Chattanooga to Chicago cancelled?
- 4.1% of scheduled flights were cancelled (39 of 954).
- How long are typical delays?
- Across all flights the average arrival delay was 22 min (early arrivals count as zero). Flights that were late arrived 74 min behind schedule on average, and 10.3% of flights were an hour or more late.
- How long is taxi time at CHA?
- Flights on this route spent 21 min taxiing from the gate to takeoff on average.
Related routes
Return trip: ORD to CHA — 70% on time
More flights from Chattanooga
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: CHA → ORD, nonstop flights by US airlines that report to the DOT. How we calculate this.