OKC to ORD flight delays & on-time performance
Nonstop flights from OKC Will Rogers World Airport to Chicago O'Hare International Airport · 693 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at OKC or ORD right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Oklahoma City (OKC) to Chicago (ORD) arrived on time 75% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 3% were cancelled, and 12% arrived an hour or more late.
- Republic Airways was the most punctual airline here (88% on time); SkyWest Airlines was the least (74%).
- Departures scheduled around 2pm did best (87% on time); around 5pm did worst (55%).
- Tuesday was the most reliable day to fly (80% on time) and Sunday the least (67%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (51%).
Which airline is most on time from OKC 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 |
|---|---|---|---|---|---|
| United Airlines | 100% | 0.0% | 0 min | 0.0% | 4 |
| Envoy AirRegional airline operating American Eagle flights. | 88% | 3.8% | 6 min | 4.0% | 26 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 88% | 1.4% | 9 min | 3.9% | 211 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 74% | 3.2% | 25 min | 12.3% | 2,375 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am79%170 flights
- 7am84%457 flights
- 8am79%150 flights
- 9am82%149 flights
- 10am78%262 flights
- 11am73%106 flights
- 12pm76%219 flights
- 1pm71%325 flights
- 2pm87%95 flights
- 4pm76%191 flights
- 5pm55%231 flights
- 6pm64%118 flights
- 7pm60%121 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday74%4.9% cancelled
- Tuesday80%1.4% cancelled
- Wednesday75%1.4% cancelled
- Thursday80%2.9% cancelled
- Friday72%1.5% cancelled
- Saturday78%4.7% cancelled
- Sunday67%4.4% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)51%
- Air traffic control & airport congestion25%
- Late-arriving aircraft17%
- Extreme weather7%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather85%
- Air traffic control & airport congestion10%
- Airline (crew, maintenance, cleaning, fueling)5%
- Security0%
OKC to ORD: common questions
- How often are OKC to ORD flights on time?
- 75% 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 Oklahoma City to Chicago cancelled?
- 3.0% of scheduled flights were cancelled (79 of 2,616).
- How long are typical delays?
- Across all flights the average arrival delay was 24 min (early arrivals count as zero). Flights that were late arrived 91 min behind schedule on average, and 11.5% of flights were an hour or more late.
- How long is taxi time at OKC?
- Flights on this route spent 18 min taxiing from the gate to takeoff on average.
Related routes
Return trip: ORD to OKC — 70% on time
More flights from Oklahoma City
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: OKC → ORD, nonstop flights by US airlines that report to the DOT. How we calculate this.