ORD to BHM flight delays & on-time performance
Nonstop flights from Chicago O'Hare International Airport to Birmingham-Shuttlesworth International Airport · 584 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at ORD or BHM right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Chicago (ORD) to Birmingham (BHM) arrived on time 78% of the time in Aug 2025 – Jul 2026, in line with the national average.
- 1.9% were cancelled, and 7% arrived an hour or more late.
- Republic Airways was the most punctual airline here (83% on time); SkyWest Airlines was the least (62%).
- Departures scheduled around 9am did best (91% on time); around 7pm did worst (68%).
- Tuesday was the most reliable day to fly (83% on time) and Friday the least (74%).
- The largest source of delay minutes was late-arriving aircraft (41%).
Which airline is most on time from ORD to BHM?
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% | 2 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 83% | 1.8% | 11 min | 5.4% | 227 |
| Envoy AirRegional airline operating American Eagle flights. | 79% | 1.9% | 14 min | 7.5% | 780 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 62% | 1.9% | 28 min | 11.4% | 107 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 8am83%219 flights
- 9am91%58 flights
- 10am88%56 flights
- 11am78%40 flights
- 1pm77%32 flights
- 2pm77%149 flights
- 3pm71%122 flights
- 4pm88%75 flights
- 7pm68%100 flights
- 8pm79%127 flights
- 9pm72%74 flights
- 10pm69%55 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday79%6.1% cancelled
- Tuesday83%0.0% cancelled
- Wednesday79%0.6% cancelled
- Thursday79%1.2% cancelled
- Friday74%1.2% cancelled
- Saturday77%3.2% cancelled
- Sunday78%0.6% 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 aircraft41%
- Air traffic control & airport congestion22%
- Extreme weather22%
- Airline (crew, maintenance, cleaning, fueling)15%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather67%
- Air traffic control & airport congestion33%
- Airline (crew, maintenance, cleaning, fueling)0%
- Security0%
ORD to BHM: common questions
- How often are ORD to BHM 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 Chicago to Birmingham cancelled?
- 1.9% of scheduled flights were cancelled (21 of 1,116).
- How long are typical delays?
- Across all flights the average arrival delay was 15 min (early arrivals count as zero). Flights that were late arrived 65 min behind schedule on average, and 7.4% of flights were an hour or more late.
- How long is taxi time at ORD?
- Flights on this route spent 28 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BHM to ORD — 78% on time
More flights from Chicago
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: ORD → BHM, nonstop flights by US airlines that report to the DOT. How we calculate this.