Route
CHA → ORD
Chattanooga Metropolitan Airport (Lovell Field) Chicago O'Hare International Airport
How punctual is this route?
- On-time arrivals
- 71.0%
- Less than 15 minutes late
- Cancelled
- 4.0%
- Of scheduled flights
- Average delay when late
- 78 min
- Flights arriving 15+ minutes late
- Flights tracked
- 988
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 36%
- Airline (crew, maintenance, cleaning) 30%
- Air traffic control & airport 28%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 71.9% | 58 |
| October 2025 | 70.5% | 132 |
| November 2025 | 76.4% | 118 |
| December 2025 | 63.3% | 62 |
| January 2026 | 67.9% | 57 |
| February 2026 | 64.9% | 77 |
| March 2026 | 64.8% | 157 |
| April 2026 | 69.7% | 153 |
| May 2026 | 84.3% | 53 |
| June 2026 | 80.6% | 33 |
| July 2026 | 93.3% | 30 |
| August 2026 | 70.2% | 58 |
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 |
|---|---|---|---|---|
| SkyWest Airlines | 457 | 69.8% | 5.7% | 91 min |
| Republic Airways | 272 | 70.0% | 2.9% | 69 min |
| Envoy Air | 259 | 74.2% | 2.3% | 63 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
YX4512
15% late · 112 flights
-
OO5269
48% late · 105 flights
-
MQ4258
21% late · 53 flights
-
OO4639
20% late · 52 flights
-
YX4727
49% late · 45 flights
-
MQ4190
27% late · 44 flights
-
YX3413
22% late · 35 flights
-
YX3510
61% late · 32 flights
-
MQ3991
13% late · 31 flights
-
OO5992
24% late · 31 flights
-
OO4657
27% late · 30 flights
-
OO5915
23% late · 30 flights
-
OO5285
19% late · 29 flights
-
MQ3936
42% late · 27 flights
-
MQ3355
15% late · 26 flights
-
YX4803
50% late · 26 flights
-
OO5517
17% late · 25 flights
-
OO4715
40% late · 24 flights
-
OO4723
36% late · 24 flights
-
OO4769
29% late · 24 flights
-
MQ3725
13% late · 23 flights
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