Airport Reliability
ALO · Waterloo
Waterloo, IA (ALO)
- 80%
- Departures within 15 minutes
- 20 min
- Average departure delay
- 73%
- Arrivals within 15 minutes
- 2.2%
- Departures cancelled
Based on 672 departures and 672 arrivals. Data through May 2026.
What the data says
Morning flights do better here.
Departures from ALO departing between 3–6 AM arrived on time 89% of the time, versus 59% between 3–6 PM.
Mondays have been rough.
Departures from ALO arrived on time 83% of the time on Saturdays and just 67% on Mondays. That gap is worth planning around.
Trending in the right direction.
Departures from ALO arrived on time 80% of the time over the last three months in the data, compared with 66% in the three months before that.
When ALO gets messy
- 3–6 AM89%(123 flights)
- 6–9 AM81%(231 flights)
- 9 AM–12 PM—(2 flights)
- 12–3 PM79%(48 flights)
- 3–6 PM59%(251 flights)
- Mon67%(100 flights)
- Tue80%(75 flights)
- Wed75%(102 flights)
- Thu70%(99 flights)
- Fri71%(101 flights)
- Sat83%(77 flights)
- Sun72%(101 flights)
86%
May
Jun 75% → May 86% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 75% | 60 |
| July 2025 | 62% | 60 |
| August 2025 | 72% | 54 |
| September 2025 | 81% | 52 |
| October 2025 | 72% | 61 |
| November 2025 | 80% | 51 |
| December 2025 | 59% | 51 |
| January 2026 | 61% | 54 |
| February 2026 | 79% | 48 |
| March 2026 | 74% | 49 |
| April 2026 | 80% | 56 |
| May 2026 | 86% | 59 |
Airlines departing ALO
Busiest routes from ALO
Based on 672 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.