Route
ORF → ORD
Norfolk International Airport Chicago O'Hare International Airport
How punctual is this route?
- On-time arrivals
- 76.7%
- Less than 15 minutes late
- Cancelled
- 2.3%
- Of scheduled flights
- Average delay when late
- 75 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,959
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 40%
- Late-arriving aircraft 28%
- Airline (crew, maintenance, cleaning) 27%
- Extreme weather 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 80.1% | 143 |
| October 2025 | 75.3% | 170 |
| November 2025 | 77.3% | 145 |
| December 2025 | 75.8% | 160 |
| January 2026 | 65.7% | 106 |
| February 2026 | 74.4% | 125 |
| March 2026 | 71.4% | 155 |
| April 2026 | 78.2% | 172 |
| May 2026 | 85.1% | 210 |
| June 2026 | 80.3% | 201 |
| July 2026 | 77.4% | 186 |
| August 2026 | 72.0% | 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 | 592 | 74.5% | 1.5% | 76 min |
| Republic Airways | 448 | 80.7% | 1.6% | 67 min |
| Envoy Air | 443 | 74.6% | 2.5% | 75 min |
| SkyWest Airlines | 279 | 80.7% | 1.4% | 80 min |
| OH | 186 | 74.9% | 7.5% | 84 min |
| American Airlines | 11 | 40.0% | 0.0% | 81 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA1297
14% late · 122 flights
-
YX4683
12% late · 108 flights
-
UA481
36% late · 106 flights
-
MQ4164
37% late · 103 flights
-
OH5295
26% late · 73 flights
-
YX4643
16% late · 65 flights
-
UA1710
39% late · 64 flights
-
YX4572
36% late · 56 flights
-
OO5901
28% late · 47 flights
-
MQ3702
24% late · 46 flights
-
YX4740
34% late · 45 flights
-
MQ3787
21% late · 44 flights
-
MQ4144
12% late · 44 flights
-
OO5334
24% late · 40 flights
-
OO5690
29% late · 39 flights
-
OH5405
38% late · 37 flights
-
UA1700
29% late · 37 flights
-
OH5306
21% late · 31 flights
-
MQ3486
36% late · 30 flights
-
OH5512
14% late · 30 flights
-
UA1869
7% late · 28 flights
-
MQ3390
24% late · 27 flights
-
MQ4255
30% late · 27 flights
-
UA2809
11% late · 27 flights
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