Route
SLC → ORD
Salt Lake City International Airport Chicago O'Hare International Airport
How punctual is this route?
- On-time arrivals
- 74.9%
- Less than 15 minutes late
- Cancelled
- 1.5%
- Of scheduled flights
- Average delay when late
- 97 min
- Flights arriving 15+ minutes late
- Flights tracked
- 3,246
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 39%
- Airline (crew, maintenance, cleaning) 31%
- Late-arriving aircraft 26%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 81.5% | 244 |
| October 2025 | 79.8% | 265 |
| November 2025 | 76.4% | 240 |
| December 2025 | 69.5% | 241 |
| January 2026 | 71.8% | 237 |
| February 2026 | 83.4% | 284 |
| March 2026 | 70.0% | 317 |
| April 2026 | 76.9% | 267 |
| May 2026 | 76.9% | 283 |
| June 2026 | 75.2% | 291 |
| July 2026 | 73.4% | 276 |
| August 2026 | 64.7% | 301 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| United Airlines | 1,073 | 73.7% | 1.4% | 94 min |
| American Airlines | 1,045 | 76.1% | 1.9% | 126 min |
| Delta Air Lines | 1,013 | 75.4% | 1.1% | 73 min |
| SkyWest Airlines | 79 | 74.0% | 2.5% | 110 min |
| Envoy Air | 36 | 61.1% | 0.0% | 81 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL2413
29% late · 363 flights
-
DL2247
15% late · 334 flights
-
DL2377
32% late · 285 flights
-
UA1382
26% late · 282 flights
-
UA1502
18% late · 256 flights
-
AA687
9% late · 90 flights
-
UA2072
38% late · 82 flights
-
AA1327
13% late · 76 flights
-
AA2616
26% late · 76 flights
-
UA1178
37% late · 71 flights
-
AA2743
23% late · 60 flights
-
AA2971
44% late · 54 flights
-
UA2231
32% late · 51 flights
-
AA1141
16% late · 46 flights
-
AA1037
5% late · 44 flights
-
AA2862
23% late · 44 flights
-
AA3125
34% late · 44 flights
-
AA2596
42% late · 42 flights
-
UA275
54% late · 37 flights
-
MQ3841
39% late · 36 flights
-
OO5635
3% late · 36 flights
-
UA1963
43% late · 36 flights
-
UA2343
6% late · 35 flights
-
AA2780
25% late · 34 flights
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