Route
JAX → ORD
Jacksonville International Airport Chicago O'Hare International Airport
How punctual is this route?
- On-time arrivals
- 76.9%
- Less than 15 minutes late
- Cancelled
- 1.9%
- Of scheduled flights
- Average delay when late
- 93 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,172
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 33%
- Air traffic control & airport 32%
- Airline (crew, maintenance, cleaning) 28%
- Extreme weather 7%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 82.8% | 146 |
| October 2025 | 82.1% | 173 |
| November 2025 | 78.3% | 167 |
| December 2025 | 72.7% | 166 |
| January 2026 | 67.3% | 160 |
| February 2026 | 79.9% | 150 |
| March 2026 | 78.7% | 199 |
| April 2026 | 84.4% | 179 |
| May 2026 | 82.8% | 210 |
| June 2026 | 75.0% | 203 |
| July 2026 | 75.8% | 208 |
| August 2026 | 65.2% | 211 |
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 | 896 | 78.2% | 0.9% | 97 min |
| American Airlines | 434 | 79.6% | 2.5% | 118 min |
| Republic Airways | 365 | 78.0% | 4.1% | 78 min |
| Envoy Air | 259 | 72.3% | 0.4% | 72 min |
| SkyWest Airlines | 217 | 70.2% | 2.8% | 86 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.
-
UA411
11% late · 177 flights
-
UA1239
19% late · 140 flights
-
UA1733
7% late · 135 flights
-
UA457
38% late · 135 flights
-
UA2211
38% late · 124 flights
-
AA3317
47% late · 76 flights
-
AA2102
10% late · 75 flights
-
MQ3486
29% late · 68 flights
-
YX4740
18% late · 58 flights
-
AA2100
10% late · 54 flights
-
AA764
13% late · 54 flights
-
MQ3986
32% late · 50 flights
-
OO5434
24% late · 47 flights
-
AA1329
11% late · 46 flights
-
OO6012
35% late · 46 flights
-
YX4377
19% late · 46 flights
-
YX4431
44% late · 45 flights
-
MQ3679
19% late · 44 flights
-
YX4798
12% late · 44 flights
-
YX4606
5% late · 43 flights
-
UA1671
17% late · 36 flights
-
MQ3687
14% late · 35 flights
-
OO5452
26% late · 35 flights
-
AA2883
6% late · 33 flights
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