SLC to ORD flight delays & on-time performance
Nonstop flights from Salt Lake City International Airport to Chicago O'Hare International Airport · 1,250 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SLC or ORD right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Salt Lake City (SLC) to Chicago (ORD) arrived on time 76% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.5% were cancelled, and 10% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (77% on time); United Airlines was the least (75%).
- Departures scheduled around 7am did best (89% on time); around 2pm did worst (63%).
- Tuesday was the most reliable day to fly (81% on time) and Friday the least (73%).
- The largest source of delay minutes was air traffic control & airport congestion (41%).
Which airline is most on time from SLC 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 |
|---|---|---|---|---|---|
| Delta Air Lines | 77% | 0.9% | 17 min | 8.4% | 1,012 |
| American Airlines | 76% | 2.0% | 26 min | 11.5% | 1,002 |
| United Airlines | 75% | 1.6% | 23 min | 10.1% | 1,070 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 73% | 2.4% | 28 min | 9.6% | 85 |
| Envoy AirRegional airline operating American Eagle flights. | 61% | 0.0% | 32 min | 16.7% | 36 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am95%60 flights
- 6am89%354 flights
- 7am89%302 flights
- 8am85%408 flights
- 12pm75%364 flights
- 1pm72%469 flights
- 2pm63%252 flights
- 4pm65%429 flights
- 5pm70%499 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday74%2.5% cancelled
- Tuesday81%0.9% cancelled
- Wednesday77%1.6% cancelled
- Thursday77%1.1% cancelled
- Friday73%1.2% cancelled
- Saturday77%1.9% cancelled
- Sunday74%1.3% 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 congestion41%
- Airline (crew, maintenance, cleaning, fueling)28%
- Late-arriving aircraft27%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather58%
- Airline (crew, maintenance, cleaning, fueling)29%
- Air traffic control & airport congestion13%
- Security0%
SLC to ORD: common questions
- How often are SLC 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 Salt Lake City to Chicago cancelled?
- 1.5% of scheduled flights were cancelled (48 of 3,205).
- 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 89 min behind schedule on average, and 10.1% of flights were an hour or more late.
- How long is taxi time at SLC?
- Flights on this route spent 17 min taxiing from the gate to takeoff on average.
Related routes
Return trip: ORD to SLC — 70% on time
More flights from Salt Lake City
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SLC → ORD, nonstop flights by US airlines that report to the DOT. How we calculate this.