Route
GSP → ORD
Greenville-Spartanburg International Airport Chicago O'Hare International Airport
How punctual is this route?
- On-time arrivals
- 75.9%
- Less than 15 minutes late
- Cancelled
- 3.8%
- Of scheduled flights
- Average delay when late
- 77 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,870
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 31%
- Airline (crew, maintenance, cleaning) 29%
- Late-arriving aircraft 28%
- Extreme weather 11%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 88.1% | 128 |
| October 2025 | 80.8% | 173 |
| November 2025 | 72.0% | 166 |
| December 2025 | 61.4% | 140 |
| January 2026 | 62.7% | 119 |
| February 2026 | 74.8% | 121 |
| March 2026 | 73.9% | 151 |
| April 2026 | 80.9% | 142 |
| May 2026 | 83.1% | 184 |
| June 2026 | 74.3% | 156 |
| July 2026 | 78.3% | 186 |
| August 2026 | 74.6% | 204 |
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 |
|---|---|---|---|---|
| Envoy Air | 862 | 75.4% | 3.6% | 72 min |
| SkyWest Airlines | 630 | 71.4% | 4.0% | 83 min |
| Republic Airways | 255 | 84.4% | 3.5% | 75 min |
| OH | 65 | 88.9% | 1.5% | 78 min |
| American Airlines | 54 | 77.6% | 9.3% | 62 min |
| United Airlines | 4 | 100.0% | 0.0% | — |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
MQ3603
22% late · 169 flights
-
MQ3918
24% late · 145 flights
-
MQ4242
29% late · 136 flights
-
OO5753
38% late · 123 flights
-
OO5524
41% late · 115 flights
-
MQ3556
14% late · 76 flights
-
MQ3559
33% late · 76 flights
-
OO5930
11% late · 76 flights
-
MQ4145
44% late · 65 flights
-
OO5361
30% late · 57 flights
-
YX3532
4% late · 55 flights
-
AA1401
23% late · 53 flights
-
YX3632
14% late · 52 flights
-
OO4728
13% late · 47 flights
-
MQ3564
24% late · 34 flights
-
MQ3731
0% late · 33 flights
-
OH5047
12% late · 33 flights
-
MQ3994
58% late · 32 flights
-
YX3439
12% late · 32 flights
-
MQ4160
18% late · 28 flights
-
OO5516
33% late · 28 flights
-
MQ3385
7% late · 27 flights
-
MQ3823
19% late · 27 flights
-
OH5368
12% late · 27 flights
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