Route
ORD → CHS
Chicago O'Hare International Airport Charleston International Airport
How punctual is this route?
- On-time arrivals
- 75.0%
- Less than 15 minutes late
- Cancelled
- 1.8%
- Of scheduled flights
- Average delay when late
- 69 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,154
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 49%
- Airline (crew, maintenance, cleaning) 23%
- Air traffic control & airport 22%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 84.1% | 145 |
| October 2025 | 80.8% | 177 |
| November 2025 | 77.6% | 178 |
| December 2025 | 73.1% | 172 |
| January 2026 | 68.3% | 145 |
| February 2026 | 76.8% | 151 |
| March 2026 | 66.7% | 210 |
| April 2026 | 72.9% | 194 |
| May 2026 | 77.3% | 208 |
| June 2026 | 79.7% | 202 |
| July 2026 | 79.2% | 186 |
| August 2026 | 64.9% | 186 |
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 | 789 | 73.7% | 1.4% | 74 min |
| Envoy Air | 496 | 73.6% | 2.4% | 56 min |
| Republic Airways | 430 | 81.3% | 1.9% | 62 min |
| American Airlines | 353 | 74.1% | 1.7% | 80 min |
| SkyWest Airlines | 85 | 67.5% | 2.4% | 75 min |
| OH | 1 | 100.0% | 0.0% | — |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA2362
40% late · 197 flights
-
UA482
8% late · 104 flights
-
UA2795
17% late · 103 flights
-
MQ4219
22% late · 101 flights
-
UA312
30% late · 86 flights
-
YX3646
10% late · 82 flights
-
YX3597
26% late · 77 flights
-
AA2452
11% late · 76 flights
-
AA3127
40% late · 76 flights
-
MQ3454
22% late · 76 flights
-
AA2991
30% late · 67 flights
-
MQ4195
18% late · 62 flights
-
YX3584
9% late · 55 flights
-
MQ3551
21% late · 54 flights
-
UA1279
28% late · 53 flights
-
MQ3944
28% late · 46 flights
-
AA2311
33% late · 44 flights
-
YX4711
18% late · 44 flights
-
YX4605
26% late · 42 flights
-
UA1486
31% late · 37 flights
-
YX4377
15% late · 33 flights
-
MQ3888
42% late · 32 flights
-
UA247
29% late · 32 flights
-
YX3582
34% late · 32 flights
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