BIL to ORD flight delays & on-time performance
Nonstop flights from Billings Logan International Airport to Chicago O'Hare International Airport · 1,060 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at BIL or ORD right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Billings (BIL) to Chicago (ORD) arrived on time 81% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.3% were cancelled, and 7% arrived an hour or more late.
- SkyWest Airlines was the most punctual airline here (82% on time); Envoy Air was the least (80%).
- Departures scheduled around 5am did best (93% on time); around 12pm did worst (76%).
- Thursday was the most reliable day to fly (84% on time) and Saturday the least (76%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (61%).
Which airline is most on time from BIL 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 |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 82% | 0.0% | 13 min | 7.1% | 86 |
| Envoy AirRegional airline operating American Eagle flights. | 80% | 0.4% | 24 min | 7.5% | 231 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am93%29 flights
- 6am89%38 flights
- 11am90%31 flights
- 12pm76%218 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday84%0.0% cancelled
- Tuesday84%0.0% cancelled
- Wednesday77%0.0% cancelled
- Thursday84%0.0% cancelled
- Friday79%0.0% cancelled
- Saturday76%0.0% cancelled
- Sunday82%2.2% 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)61%
- Late-arriving aircraft13%
- Air traffic control & airport congestion13%
- Extreme weather13%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Air traffic control & airport congestion100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Extreme weather0%
- Security0%
BIL to ORD: common questions
- How often are BIL to ORD flights on time?
- 81% 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 Billings to Chicago cancelled?
- 0.3% of scheduled flights were cancelled (1 of 317).
- How long are typical delays?
- Across all flights the average arrival delay was 21 min (early arrivals count as zero). Flights that were late arrived 104 min behind schedule on average, and 7.4% of flights were an hour or more late.
- How long is taxi time at BIL?
- Flights on this route spent 14 min taxiing from the gate to takeoff on average.
Related routes
Return trip: ORD to BIL — 88% on time
More flights from Billings
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: BIL → ORD, nonstop flights by US airlines that report to the DOT. How we calculate this.