Route
PWM → ORD
Portland International Jetport Chicago O'Hare International Airport
How punctual is this route?
- On-time arrivals
- 77.9%
- Less than 15 minutes late
- Cancelled
- 3.4%
- Of scheduled flights
- Average delay when late
- 92 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,493
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 42%
- Airline (crew, maintenance, cleaning) 32%
- Late-arriving aircraft 23%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 77.6% | 165 |
| October 2025 | 71.1% | 166 |
| November 2025 | 67.5% | 91 |
| December 2025 | 77.0% | 62 |
| January 2026 | 58.8% | 36 |
| February 2026 | 86.0% | 61 |
| March 2026 | 70.0% | 116 |
| April 2026 | 84.9% | 149 |
| May 2026 | 88.5% | 166 |
| June 2026 | 82.4% | 150 |
| July 2026 | 79.7% | 155 |
| August 2026 | 75.3% | 176 |
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 |
|---|---|---|---|---|
| Republic Airways | 609 | 82.9% | 4.3% | 83 min |
| United Airlines | 430 | 77.3% | 1.4% | 95 min |
| SkyWest Airlines | 254 | 64.6% | 4.3% | 91 min |
| Envoy Air | 196 | 81.9% | 4.1% | 103 min |
| American Airlines | 4 | 50.0% | 0.0% | 296 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
YX4391
15% late · 135 flights
-
UA723
2% late · 97 flights
-
UA2466
41% late · 91 flights
-
YX4741
13% late · 89 flights
-
YX4774
20% late · 76 flights
-
MQ3474
22% late · 74 flights
-
YX3551
25% late · 56 flights
-
YX4488
22% late · 52 flights
-
UA1182
55% late · 47 flights
-
MQ4051
14% late · 44 flights
-
OO4744
38% late · 42 flights
-
UA1828
33% late · 42 flights
-
OO5624
56% late · 36 flights
-
UA637
29% late · 35 flights
-
YX3635
12% late · 34 flights
-
OO6218
41% late · 31 flights
-
UA1304
6% late · 31 flights
-
MQ3559
11% late · 29 flights
-
OO6013
19% late · 29 flights
-
YX4499
11% late · 29 flights
-
UA2684
7% late · 28 flights
-
OO4967
54% late · 26 flights
-
MQ3644
26% late · 24 flights
-
MQ3869
13% late · 24 flights
Reviews
No reviews yet. Be the first to review this route.