Route
ORD → BWI
Chicago O'Hare International Airport Baltimore/Washington International Thurgood Marshall Airport
How punctual is this route?
- On-time arrivals
- 72.3%
- Less than 15 minutes late
- Cancelled
- 2.9%
- Of scheduled flights
- Average delay when late
- 73 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,679
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 48%
- Air traffic control & airport 24%
- Airline (crew, maintenance, cleaning) 18%
- Extreme weather 10%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 80.6% | 248 |
| October 2025 | 78.5% | 246 |
| November 2025 | 72.5% | 215 |
| December 2025 | 61.1% | 207 |
| January 2026 | 71.8% | 150 |
| February 2026 | 76.1% | 167 |
| March 2026 | 62.4% | 198 |
| April 2026 | 70.9% | 252 |
| May 2026 | 75.3% | 274 |
| June 2026 | 72.6% | 239 |
| July 2026 | 69.6% | 242 |
| August 2026 | 72.6% | 241 |
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 | 1,257 | 70.3% | 1.6% | 69 min |
| Envoy Air | 841 | 77.3% | 3.8% | 68 min |
| Republic Airways | 336 | 69.6% | 5.7% | 91 min |
| Frontier Airlines | 132 | 64.3% | 4.5% | 95 min |
| Southwest Airlines | 62 | 80.6% | 0.0% | 62 min |
| American Airlines | 26 | 57.7% | 0.0% | 96 min |
| SkyWest Airlines | 16 | 68.8% | 0.0% | 61 min |
| NK | 9 | 100.0% | 0.0% | — |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
MQ3679
22% late · 124 flights
-
F94064
38% late · 117 flights
-
UA1269
7% late · 108 flights
-
UA2302
13% late · 105 flights
-
UA2653
17% late · 103 flights
-
MQ4253
19% late · 87 flights
-
UA1377
32% late · 82 flights
-
UA1748
35% late · 77 flights
-
MQ3446
11% late · 76 flights
-
YX4717
38% late · 76 flights
-
UA2649
38% late · 72 flights
-
MQ3419
28% late · 60 flights
-
UA2113
57% late · 56 flights
-
UA1583
29% late · 55 flights
-
YX4781
30% late · 53 flights
-
YX4663
26% late · 48 flights
-
UA2124
35% late · 47 flights
-
UA255
23% late · 47 flights
-
MQ3988
26% late · 46 flights
-
UA440
48% late · 45 flights
-
MQ3502
21% late · 44 flights
-
MQ3504
26% late · 44 flights
-
YX4502
42% late · 44 flights
-
YX4693
7% late · 44 flights
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