PHX to ORD flight delays & on-time performance
Nonstop flights from Phoenix Sky Harbor International Airport to Chicago O'Hare International Airport · 1,440 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at PHX or ORD right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Phoenix (PHX) to Chicago (ORD) arrived on time 76% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.6% were cancelled, and 9% arrived an hour or more late.
- American Airlines was the most punctual airline here (79% on time); Southwest Airlines was the least (61%).
- Departures scheduled around 5am did best (91% on time); around 2pm did worst (63%).
- Tuesday was the most reliable day to fly (81% on time) and Sunday the least (72%).
- The largest source of delay minutes was air traffic control & airport congestion (37%).
Which airline is most on time from PHX 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 |
|---|---|---|---|---|---|
| American Airlines | 79% | 2.1% | 17 min | 7.8% | 2,997 |
| United Airlines | 77% | 0.8% | 21 min | 7.9% | 1,967 |
| Frontier Airlines | 69% | 4.1% | 39 min | 13.0% | 195 |
| Southwest Airlines | 61% | 1.2% | 27 min | 14.5% | 428 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 12am86%147 flights
- 5am91%275 flights
- 6am91%339 flights
- 7am89%485 flights
- 8am79%372 flights
- 9am75%387 flights
- 10am79%393 flights
- 11am74%223 flights
- 12pm77%521 flights
- 1pm64%398 flights
- 2pm63%260 flights
- 3pm65%503 flights
- 4pm77%353 flights
- 5pm63%178 flights
- 6pm71%170 flights
- 7pm67%313 flights
- 8pm80%88 flights
- 11pm85%147 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday73%2.6% cancelled
- Tuesday81%1.4% cancelled
- Wednesday78%0.5% cancelled
- Thursday79%1.6% cancelled
- Friday74%1.8% cancelled
- Saturday78%1.4% cancelled
- Sunday72%2.1% 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 congestion37%
- Late-arriving aircraft32%
- Airline (crew, maintenance, cleaning, fueling)28%
- Extreme weather2%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather80%
- Air traffic control & airport congestion11%
- Airline (crew, maintenance, cleaning, fueling)9%
- Security0%
PHX to ORD: common questions
- How often are PHX to ORD flights on time?
- 76% 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 Phoenix to Chicago cancelled?
- 1.6% of scheduled flights were cancelled (92 of 5,587).
- How long are typical delays?
- Across all flights the average arrival delay was 20 min (early arrivals count as zero). Flights that were late arrived 80 min behind schedule on average, and 8.5% of flights were an hour or more late.
- How long is taxi time at PHX?
- Flights on this route spent 17 min taxiing from the gate to takeoff on average.
Related routes
Return trip: ORD to PHX — 73% on time
More flights from Phoenix
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: PHX → ORD, nonstop flights by US airlines that report to the DOT. How we calculate this.